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When Danish engineering firm Grundfos started researching the best ways to distribute water in Nairobi, Kenya, they found that access to clean water wasn't the problem. Most communities, people could go to central spigots and pay a fee for access to groundwater that's both drinkable and readily available. It's a machine that essentially functions like an ATM for water: users get a "water card" where they can collect points, either by making a purchase from a vendor or making apayment on their phone. When they swipe their card at the machine, a simple interface will allow them to select the amount of water they want and then deduct the points from their card. A hose below the screen dispenses the selected amount of clean water.

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Ground Atmospheric Water Generator Unit - Zach

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Ground Atmospheric Water Generator Unit - Zach

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This generator unit can provide clean, fresh, and cold water to you. In includes a integral water tank the preserves (saves) the waters freshness and keeps it's cold temperature. To use this, you need to connect the machine to any power source.

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The Finite Faucet is able to save water while you are washing you hands. It is designed with a clear, upper cylinder to act as a visual reminder of water usage and drains until it is empty. When it is empty,  it must be turned off to refill . When you wash your hands it acts as a timer for scrubbing hands.

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This pen projects UV rays which kill any bacteria or other diseases in the water.

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The WADL is a product that can be attached to a plastic bottle.The WADI detects and calculates the intensity of water-purifying uv rays, and it lets users know as soon as the water is safe to drink. It is also a low price thing so you can like teach people to use it and stuff.

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Hydraid BioSand Water Filter - Christian 

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Hydraid BioSand Water Filter - Christian 

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The Hydraid  BioSand household water filter is a lightweight, portable biosand filter intended for point-of-use water filtration and can provide clean water for a family of eight to ten people. The Hydraid BioSand Household Water Filter, just like the concrete filters, consists of layers of sand and gravel. The Biological surface layer consumes the diseases found in the water source.

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The Ceramic water filter is a filter is a reusable ceramic filter that removes particles down to 0.5- 0.8 and has Silver impregnated within the ceramic matrix to inhibit microbiological growth and has a High- density activated carbon core takes out chlorine and trace organics improving taste and odor also Contains heavy metal removal media which takes out lead, which is reduced through ion exchange plus it also long lasting.

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Shocking Water Filter Review & Comparison

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Berkey Water Filter EXTREME Field Test & Review

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Explaining the technology behind ceramic filtration and the benefits of filtered drinking water.

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These tablets kill micro-organisms in water to prevent many diseases. You just have to put a tablet in water- mix it and it's safe for drinking.

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In Gujrat, Dr Sharan has created safe drinking water for arid states by filtering dew water

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Groasis Ecological Water Saving Technology

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India : Dew transformed into drinking water

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REPORT : Drinking dew, engineers in North West India use a poetic idea to resolve the drinking water shortage.

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Although shade balls sounds like a joke, it is cheap and effective. Why? Because of 2 simple reasons.

1) They are small plastic balls that block out the sun so the scarce water doesn't evaporate

2) The balls prevent sunlight from entering, therefore it also prevents hazardous reactions with the chlorine and bromide in the water

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This is a shower that takes your dirty water, brings it through a purification process, and sends it right back. It saves 90% of your water! Prepare to Share (your water)!

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The toilet tank bank is able to save water, and you won't even need to change your usage habits. The toilet tank bank is a great substitute as a toilet tank, and it saves water! Just fill it up (the fuller it is, the more you save), place it in  your toilet tank, and with every flush you save some water.

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It could possibly be the fastest water filtration machine ever, repelling water, but it sucks in water so fast that the fresh water supply rate is rapidly fast, and is also cheap! - Alexander

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Suns River Still or SRS, is said to be able to increase the productivity of the standard solar still. Impure water is contained outside the collector and is evaporated from sunlight. It creates pure water vapour and the water it is collected. The renewable energy uses wastewater, rivers, and seas to change into pure water that is safe to use.

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Bleaching Powder  and Solution Aluminium Sulfate   Brayden

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Bleaching Powder  and Solution Aluminium Sulfate   Brayden

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Bleaching powder or chlorinated lime is used to disinfect the water from bacteria. The chlorine present in the bleaching powder solution kills almost 90% of the bacteria present in water.

Bleaching powder also known as Calcium hypochlorite is in a powdered form. Add one or two teaspoons of the powder in a glass bottle, add water and mix well. Use a metal cap for the container as it may corrode plastic cap.

Aluminium Sulfate, Shortly known as Alum, when added to raw water reacts with the bicarbonate alkalinities present in water  and forms a gelatinous precipitate. This floc attracts other fine particles and suspended material in raw water, and settles down at the bottom of the container. The water over this sediment is almost clean other than some fine particles dissolved in it.

Alum is in a crystallized form which you can powder and store in a clean glass container.

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Christopher Lee
It's a rain water filtration system that is used in Vancouver.   Built from locally salvaged material. It's a portable and easily used. It's made of material that can be found at Home Depot. It's designed to be used as a back pack system.

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Shade balls sound more like a joke, but in fact they are cheap and very effective. As we all know, California has a massive drought. Workers are using shade balls to cover up the rest of the water supply, so it not only evaporates, but also prevents hazardous reactions with the chlorine and bromide in the water. Check it out.

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This video is thoroughly satisfying:

Those are workers in Los Angeles pouring "shade balls" into one of the city's main reservoirs. The black plastic balls help maintain water quality by blocking sunlight, thereby preventing hazardous reactions with the chlorine and bromide in the water. (The shade balls also cut down on evaporation, though this is a relatively minor benefit.)

Yes, shade balls. Fun to say. Fun to watch. But also surprisingly useful!

A brief history of shade balls

Black plastic shade balls have been used for all sorts of purposes over the years. Catherine Kavanaugh of Plastic News reports that they've been deployed to "keep birds out of water near airport runways, control vapors in industrial ammonia tanks, or stop water from evaporating at petroleum operations."

And in recent years, the city of Los Angeles has realized that shade balls can be useful for protecting drinking water. Back in 2007, the LA Department of Water and Power discovered it had a troubling water-quality problem. Its reservoirs contained a fair amount of bromide, which occurs naturally in groundwater. They also contained chlorine, which was being added to disinfect drinking water. When bromide and chlorine react with sunlight, they form bromate, a suspected human carcinogen. Not good. Elevated bromate levels had been detected at the Silver Lake, Ivanhoe, and Elysian reservoirs.
The shade balls prevent bromate, a carcinogen, from forming in the water
Mulling its options, the city decided it would shield some of its reservoirs from the sun. And shade balls were a low-cost option. Ivanhoe got its balls in 2008. Then, this week, the city finished pouring 96 million plastic balls into the Los Angeles Reservoir at Sylmar, all at the (relatively) low cost of $34.5 million, much cheaper than initial estimates. The balls are weighted with water so that they stay fixed in place, and they're expected to last 10 years before getting recycled.

(By the way, balls are only part of LA's water-quality plan. The city is also building a new indoor reservoir to replace Silver Lake and Ivanhoe - both of which had lots of contamination issues beyond bromate, including birds, runoff, and algae.)

There's also a side bonus. Shade balls help prevent some evaporation, a source of water loss in California's vast reservoir system. "By reducing evaporation, these shade balls will conserve 300 million gallons of water each year, instead of just evaporating into the sky. That's 300 million gallons to fight this drought," LA Mayor Eric Garcetti said at a recent press conference.

To be clear, 300 million gallons a year isn't a tonof water in the grand scheme of things - Los Angeles consumed 13.6 billion gallons of water this past June alone. Still, every little bit helps. And did we mention shade balls are fun to watch?

Update: This post originally had an enjoyable-to-watch video up top of workers pouring shade balls into a reservoir in the Las Virgenes Municipal Water District. I've replaced it with a more recent video of workers putting balls into the Los Angeles Reservoir.

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Shade balls are California's most mesmerizing water-saving trick

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This video is thoroughly satisfying: Those are workers in Los Angeles pouring "shade balls" into one of the city's main reservoirs. The black plastic balls help maintain water quality by blocking sunlight, thereby preventing hazardous reactions with the chlorine and bromide in the water.

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The seeds of Moringa oleifera will secrete a substance that could purify water. The researchers from Pennsylvania State University knew that seeds could clean water. But the problem was it was too expensive or not feasible for producing water which could be stored. They set out to find a cheaper and simpler way to clean water. Their new study found that by using an extract of the Moringa seed (containing the positively charged protein) to bind to sediment and kill microbes, in conjunction with negatively charged sand, they were able to produce potable and storable water without expensive or complicated technology.

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A new machine promoted by UNICEF that turns human sweat into drinking water. The Sweat Machine extracts moisture from worn clothes by spinning and heating them, then filters the resulting liquid so that only pure water remains.

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Super Sand is sand coated in graphite oxide. The Super Sand removes mercury and dye molecules. The way you make coated sand is mixing graphite oxide into water and mixing that with regular sand. Then you heat the mixture at 105c ( 221f) for a couple of hours to evaporate the water. Then you use the final product "coated sand" to purify polluted water.

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The water recycling shower is a  invention made by inventor Peter Brewin. The shower can heat filter and clean and will save up to 70% of the water it uses. CINEP estimates that an avrage home of four will save up to 20,000 to 40,000 a year.

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The solishon to USA's water problem? By Luca

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The solishon to USA's water problem? By Luca

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engineers think the problem from bad water in USA is the water pipes! Engineers are going to replace all the pipes with new ones in the future however it will cost 1 trillion dollars!

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Activist Engineers: The Solution to America's Water Crisis?

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Tom Loughlin, executive director of the American Society of Mechanical Engineers, says engineers should take an activist approach to save America's drinking water.

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This is a water treatment plant designed for 25000 to 50000 people.

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The Happy Basin is designed to make unsafe water drinkable. The basin has  filters embedded in the holes at its bottom that filter polluted water. You just push the basin into the water it stays buoyant when you drink. The water comes through the holes embedded with the filters so you can drink the clean water

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The Happy Basin is designed to make unsafe water drinkable. The basin has nanoceramic filters embedded in the holes at its bottom that filter polluted water. You just push the basin into the water and let surface tension buoyancy take its course.

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Stellenbosch University’s Water Institute has invested in something called the HOPE project. The HOPE project involves the production of reusable water bottles with innovative filters inside of it. The filters would remove bacteria and particulates through carbon nanofibers.  Although the filters are very technology advanced, they are also inexpensive

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An encrypted dashboard is shared with employees around the world every two minutes. The collected near real time data makes it easy to quickly identify the loss points. "Factors like drought can't be controlled, but delivery can." To improve the system, the Commonwealth of the Northern Mariana Islands asked for the help of CH2M Hill. The engineering company collaborated with Qualcomm Technologies, Inc. to develop "machine to machine" technology that keeps track of the water supply’s movement throughout the system and where it’s being lost.

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Water, water everywhere...

Saipan is a U.S. territory in the Northern Mariana Islands with 40,000 residents and -until recently-a challenging water situation. The island was losing 70% of its potable water due to leaky pipes and theft. Drought and poor quality added to the problem, raising costs past what many people could afford. With nearly 15% of the population only receiving water a few hours a day and a potential public health crisis on its hands, Saipan needed a solution.

- Ken Thompson, Deputy Director, Intelligent Water Solutions, CH2M Hill

Factors like drought can't be controlled. But delivery can. To improve the system, the Commonwealth of the Northern Mariana Islands enlisted the help of CH2M Hill. The engineering company collaborated with Qualcomm Technologies, Inc. to develop machine-to-machine (M2M) technology that keeps track of the water supply's movement throughout the system-and more importantly, where it's being lost.

Tracking every drop.

Fixed infrastructure solutions are time-consuming to build and expensive to maintain. By opting for a cellular network, Saipan had 16 monitoring stations up and running within two weeks at a much lower capital and operations cost. The M2M solution includes cellular-based meters, tank level monitors, and pressure sensors, all using the Qualcomm® Gobi™ modem to connect to fast, reliable wireless networks. An encrypted dashboard is shared with partners around the world every two minutes, and the collected near real-time data makes it possible to quickly identify and address loss points. As a result, an invaluable resource is conserved.
Qualcomm Gobi is a product of Qualcomm Technologies, Inc.

The new system will enable Saipan to conserve water, saving $750K for each 10% reduction. The goal is to reduce loss associated with theft and leaking pipes by two-thirds over the next five years, which will save the community millions of dollars in energy costs, provide higher quality of water, and ensure that everyone receives water 24 hours a day.

Water management isn't an issue restricted to isolated areas like Saipan. Water utilities across the U.S. and its territories have an average of 30% loss, with some as high as 70%, an amount that can make a critical difference in an emergency situation. Additionally, changes in cost and availability affect us all by impacting businesses that require reliable water supply, like agriculture and manufacturing. But with solutions like Saipan's, sufficient water is as simple as turning on a faucet.

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Smart City and Water Management | Future of Water | Qualcomm

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Water, water everywhere... Saipan is a U.S. territory in the Northern Mariana Islands with 40,000 residents and -until recently-a challenging water situation. The island was losing 70% of its potable water due to leaky pipes and theft. Drought and poor quality added to the problem, raising costs past what many people could afford.

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The extra waste water from the clothes goes from the washing machine to the toilet, so when you go to the bathroom you use the extra waste water coming from the washing machine saving water usage.

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The term Reverse Osmosis means that pressure is used to force water through the membrane (a membrane is a type of filter used quite often) so all the bad contaminants cannot flow. But there are things that happen to the water before it gets to the Reverse Osmosis. It first is put through a pre - filter that gets rid of the larger particles. So that means that the Reverse Osmosis makes the harder changes and that is to get rid of the smaller particles, and the larger particles are quite small and are harder for us to see with our eyes.

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The Ocean Cleanup is helping the ocean by using these long booms which extend really far on both sides of the boat so that  garbage can slide down these booms into the vacuums at the stern. Also the rods don't have nets and the booms are only skim the top of the water so if any fish pass by they wont cant killed or injured.

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Slingshot Water Purification System- Megan

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Slingshot Water Purification System- Megan

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Dean Karman created the Slingshot system to save lives of many. With it, he can turn dirty water into pure distilled water. He starts with a Stirling engine, then the Slingshot boils water. With the steam from the boiled water, they compress it. That makes them pure distilled water.

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Belinda - ultrasound waves for water desalination and purification

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Belinda - ultrasound waves for water desalination and purification

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UK engineers and scientists invented Aquavus,which is a system that can be utilized to purify and desalinate ocean water with ultrasound waves. According to the CFO of the Aquavus team, one unit of the purification system can treat 3000 liters of water, that is about 800 gallons!!!

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Pure water extraction driven by the Aquaporin Inside™ technology

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In the example shown here the Aquaporin Inside™ membrane is used in combination with a liquid fertilizer draw solution, the clear solution on the right, to extract cleanwater --and only clean water - from a lower-grade water supply, the dirty solution on the left.

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This was created by a joint force of UNICEF and the Water and Sanitation Program. It is responsible for more than a 50% drop in diarrhoea diseases in Cambodia. It also successfully reduces E.coli by 99.99% which is a harmful, disease causing bacteria that is now almost eliminated by the Ceramic Water Purifier.

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The Portapure is a five gallon portable water filter. It can take water from a lake or stream and turn it into pure water, without the need of electricity. The device can provide 3,000-5,000 gallons of drinkable water before it needs a new filter.

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This small unit incorporates the usage of UV light with unclean water. Using the Ultraviolet(UV) lights, the unit kills waterborne pathogens such as bacteria, parasites and more. UV lights are classified into 3 different sections. UV-C is special and crucial to this object. Since UV-C lights are "Germicidal" it can disable pathogen's DNA thus stopping the it's ability of reproduction. This stops the growing speed of a pathogen. This invention has worked as a disinfection unit to help waterborne diseases.

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The Recycle Wastewater plant is a way of making wasted water recyclable by filtering the water to make it drinkable. Some countries, like Singapore are trying to recycle cut water imports and become more self efficient. This allows many more countries to have access to potable water.

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By Aarushi

This invention helps save water with very little effort. Since people in developing countries use around 80-100 litres a day, this invention is certainly useful. Engineering students from The Cooper Union college in New York City created FLUSH, a dual-flush toilet kit that easily converts your usual single-flush toilet to a toilet that allows you to choose a full flush or a partial flush.

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Complete Toilet Tank Repair Kit HD Full Installation

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Thomas Dudley Ltd Niagara Mechanical Dual-Flush Outlet Valve

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Flush -- The dual flush toilet conversion kit

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Invented at Cooper Union's "Invention Factory" -- Summer 2014 Inventors: Eric Nguyen, Abi Chowdhury Upvoted at Quirky, Inc. at Eval on Feb 19, 2015.

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The invention "Poor little fish tank" is a way for people to emotionally save water. This is a simple sink that has a fish tank on the top. When you wash your hands, you use the water that supplies the fish tank, so the more longer you wash your hands the less water there is in the fish tank. While you are washing your hand you will notice that the water is starting to drain from the fish tank and you'll feel the need to stop wash your hands to save water for the fish. After you wash your hands the fish tank will refill it's self.

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The billboard That Produces Potable Water Out Of Air - Annabelle

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The billboard That Produces Potable Water Out Of Air - Annabelle

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Can you imagine if you see a billboard and it turns out to be potable water out of air? Well in this video it tells you how in someplaces where maybe the humidity, the brightness, or even the dark clouds can actually can be useful and make people lives so much easier. So what happens is that an innovative advertising campaign and billboard that takes moisture from the humid air, and converts it into filtered drinking water. The billboard can produce up to 26 gallons of water each day, according to time.

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The billboard that produces potable water out of air

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Finally, a Billboard That Creates Drinkable Water Out of Thin Air I've never cared much for billboards. Not in the city, not out of the city - not anywhere, really. It's like the saying in that old Five Man Electrical Band song.

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Designer Jin Young Yoon took a look at one of the oldest building materials and came up with the idea of the Save Water Brick.
The Save Water Brick is made by recycled plastic and decomposed leaves. The back of the brick has funnels designed to direct water to run off to nearby landscaping or to underground storage tanks. The Save Water Brick would definitely have a positive impact in other ways then water conservation, it would divert waste from landfills and support markets for recycled content products.

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The H2Pro was invented by 17 year old Cynthia. Powered by only the sun, dirty water goes through one end, and a titanium mesh, which is activated by the sun. It also splits up the hydrogen and oxygen.

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This is the design for a H2Pro. It was made by, Cynthia Sin Nga Lam who was a google science fair finalist. What this machine basically does is that is cleans dirty water, and then uses the bad pollutants in the water to make power. This machine only needs sunlight to work, and is cheap and easy to construct

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The Dual flush toilet convenrsion kit is something to help us save water after we flush the toilet. When we flush the toilet we often use up way more water than needed. So in this when you finish peeing or pooing you press a button and it only flushes 1/4 of the whole thing! If you need to flush more than just press it again. This saves about 15000 gallons of water per year!

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Complete Toilet Tank Repair Kit HD Full Installation

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Thomas Dudley Ltd Niagara Mechanical Dual-Flush Outlet Valve

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Flush -- The dual flush toilet conversion kit

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Invented at Cooper Union's "Invention Factory" -- Summer 2014 Inventors: Eric Nguyen, Abi Chowdhury Upvoted at Quirky, Inc. at Eval on Feb 19, 2015.

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I'm sure you've seen the life straw, the life sack, the Q drum. Though I'm sure you've never seen anything like the Solar Ball. The Solar Ball (designed by Jonathan Liow) is a ball that take's advantage of the sun's supernatural power and utilizes it in a good way, by purifying water. The Solar Ball uses evaporation to separate the water from the sometimes deadly pathogens living within the water. The germs stay in the bottom half of the ball while the clean and purified water stays on the top half.

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This device collects dew  in early morning and put's the water into a funnel that is used to water plants. The dome's special plastic sheeting make collecting due possible and the funnel is the part that waters the plants.

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The Midomo is household filtration system. It Filters water when you push it and it's capacity 50 liters of water.
It is some what like the hippo roller but has way more capacity and is much more expensive.

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The pure water bottle can sterilise dirty water in two minutes.  It has two chambers, the inner and the outer one.  The outer chamber is filled with bad water, the inner chamber plunges through the outer chamber to filter the water.  The smallest particle it can filter is four microns.  Once the sediments are gone, the water is sterilised for 90 seconds using a wind-up ultra violet bulb.

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Saltwater to Freshwater Conversion using Solar Panels - Hina

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Saltwater to Freshwater Conversion using Solar Panels - Hina

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MIT and the Jain Irrigation Systems company has invented a machine that converts saltwater from the ocean into drinkable freshwater using solar panels. They have built a machine that is able to remove the salt from 2100 gallons of water in 24 hours. This machine is going to make a huge impact for water issues around the world.

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The water pebble is a device that you put near the drain of your shower. It flashes green at the start, when you're using an acceptable amount of water, golden when you're "halfway through", then red for "switch off the water NOW you big fat water waster!!!"

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This awesome tower, made of easy materials such as bamboo and wood captures water from thin air! It can produce 25 gallons of water a day, and can be easily constructed. It is so easy to make, it doesn't need machinery or advanced mechanics, local villages and tribes in Ethiopia were taught how to weave bamboo and wood into making their very own WarkaWater tower themselves. The inventor of WarkaWater, Arturo Vittori, is now seeking government funds to help launch more WarkaWater towers in Ethiopia and other countries.

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The ceramic water filter is used to make household  water clean!!! Also the latest design that they have made for this is called "Potters For Peace" This ceramic  water filter hold 8 to 10 litersof water and stays inside a plastic or a ceramic receptacle . You use this by a family member has to fill the filter with water, this water flows through the ceramic filter and into the storage receptacle!!! This makes the  colloidal silver to ensure complete removal in bacteria within that water!!!

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OCWD Purifiers have 3 steps.
The first step is micro filtration which takes out most of the harmful bacteria. The second step is reverse osmosis which makes the water to pure distilled state and the last step is to check if there is any harmful bacteria left.  This is still a running program and is still growing and is now spreading over to different sources of water.

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Students at the Carnegie Mellon University have created a water purification system that uses the weight of water to rotate a motor which powers UV-LED lights. These lights kill 99.9% of all waterborne pathogens. The team of engineers is trying to add this to water bottles so it would be a more portable solution.

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Water Utility Management & Infrastructure Career Insights

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M.S. Technology Ventures | Carnegie Mellon Integrated Innovation Institute

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Montessori Institute for the Science of Peace

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Carnegie Mellon Integrated Innovation Institute

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Integrated Innovation Institute - LUV Water

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The Tulip Siphon is a very efficient way to get clean water. The Tulip Siphon can filter up to 4-5 litres of dirty water per hour. By using gravity and a vacuum. It also has a Ceramic Filter into the Tulip Siphon to filter the water.

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The Tulip Siphon is a lightweight portable water purifier that is easy to use and store. It purifies 4-5 liters of water per hour. The filter can be used in emergency situations as well as for daily usage. It has a unique backwash function making sure that the filter stays clean and fit for purification and a fast flow rate.

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Christian W: Vertical farming is a lot more efficient and energy saving than field farming. This type of farming uses 5% of the water that field farming uses. Vertical farming also doesn't use a lot of land. For every 1 acre of land that is used for vertical farming, it is equivalent to 4-6 acres of field farming. Also, since this type of farming isn't exposed to the outside world, it keeps out herbicides and insects. This also means you don't need pesticides. Although this 30 story tall building uses 1 million kilo watts, it can also produce up to 56 million kilo watts too. It creates this energy by biogas digesters and solar energy.

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The WWF is helping this water problem by working with their parents to help with the scientific research of water conservation, they are also working with governments, businesses, and local communities to help and make sure that there are enought streams that flow for sustainable water usage

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A solar well distills water, using the heat of the sun to evaporate, cool and collect water.

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This organization holds a 5K and 10K race held in Canadian cities each year. The organization asks participants to raise funds for water sources in East Africa.
Link to site

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Run for Water: Clean Water. It's a Movement. Run with it. Responding to the water crisis in Africa.

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Designer : Samuel Bernier
Text: Andrew

What’s that? A pumpkin? No it’s a water filtration system. Look, he’s going camping and forgot his water. What should he do? No electricity, no phone signal, and only dirty muddy water! Don’t worry, he brought his pumpkin portable water filtration system. It uses a UV filtration system, charcoal filter, hydraulic pump combined with a digital engine. Well, no electricity. No worries! He got his hand there! This can be charged manually, too! They he pours the water into his only hope... And... Waala!

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Australian inventor Max Whisson realized that the ocean was not the only source of water. Air could also be a source of water. His latest project extracts water from the air using a specialized windmill. The water vapor condenses and is sent to the storage.

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The Play pump is a merry-go-round that pumps underground water as it is turned by the children. The water then goes into a storage tank until someone comes for the water. Its having fun while working so its a perfect fit.
-Freddy

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By 5 hour energy

If you want a change the world why not do it. This man created 5 hour energy and became a millionaire and gave 99% of his money towards saving the world. The way it works is that it takes undrinkable sea water and turns it into drinking water in a matter of minuets. The machine produces 1000 gallons or sea or rain water in to drinking water in a hour.

Mia.V
Watch the video from 1:03 to 2:35

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By Atharv

This is an idea already being used by a few countries. The idea is to use water being flushed from toilets or going down the drain of the sink, recycle it, and reuse it. The method for cleansing this water depends on the location. Here is one of the methods: Pressure is applied to water on one side of the membrane, and eliminates harmful germs and parasites. Then UV light or ozone and hydrogen peroxide to disinfect it. Then it is added to a reservoir to be cleansed with natural processes. The water also goes through the standard water purification process all drinking water goes through to meet U.S. Environmental Protection Agency standards.

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Ian Thorpe, an Australian swimmer and founder of the African Trust, an organization which is developing solutions for poor sanitation in Africa. He recently made the Elephant Toilet. One thing that is beneficial is that it only uses two bags of cement unlike normal toilets in Zambia and Zimbabwe which has toilets which take around 7 full bags. Secondly, the urine goes through to a second composting pit, which lengthens the life of the toilet resulting in a rich compost. Lastly, Seso or an alternative soap plant, is planted outside the toilet for disinfecting hands. A plastic container of water is hung outside the toilet with a ballpoint pen barrel and lid system to deliver small quantities of water to each user. Waste water from washing hands falls on the Seso plant, which helps with its propagation.

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Eleanor

The KUDURA is a hub that not only creates renewable biogas that reduces the carbon emissions by 4.8 tons per family annum but also purifies water by gallon.  Over all the KUDURA turns animal waste, dirty water, and solar power into clean, pure water, biogas, and organic fertiliser.
http://www.rvesol.com/rural-village-energy-hub/

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This product filters water. The way it works is you fill the sack with the dirty water then the water goes through a filter and comes out the bottom clean. Also by hanging this up they get twice the amount of water and the women and children don't have to walk to get water as much.

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Drop in The Bucket is an organisation that builds wells and sanitation systems throughout sub-Saharan Africa.

Link to site
Map of D.I.T.B Wells in Uganda

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This bike allows for easier water transport, it is a bike that carries water. While riding, it also filters the water that you are carrying.

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At the age of 15, an American schoolgirl named Deepika Kurup invented a way to use zinc oxide and titanium dioxide in containers that expose it to ultraviolet radiation and cleanse the water, making it suitable to drink.

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The suns's ultraviolet light, just like sunlight, to kill micro-organisms that may be in the water.

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- Sofia Lim

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The Bamboo Treadle Pump allows poor farmers to access groundwater during the dry season. The pump, which has  two  cylinders with pistons that are used  by a natural walking motion on two treadles. It is mostly used in Bangladesh, Nepal, India, Myanmar, Cambodia and  Zambia.

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PlayPumps                                -Anais

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PlayPumps                                -Anais

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PlayPumps are like merry-go-rounds. When you spin them water from underground is pushed out. Then the underground water goes to a tank the water gets filtered in the tank. Play-pumps are the only playground equipment most schools have in Africa. Therefore, they were used very often by students. However the amount of water that comes out of the tank is only enough for a community. Also the communities would have to have schools that have lots of students. otherwise, the community wouldn't have water from the play-pump.

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A 15 years old girl, Deepika Kurup created an invention that use zinc oxide and titanium dioxide in containers that expose it to ultraviolet radiation and cleanse the water, making it suitable to drink. In most of the countries in Africa, it's very hot and the sun is always up, also there aren't many shades so, if you use solar power, it will be easy to get clean and safe water. However, it may be expensive to get the purifier

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The Tabitha Foundation is a non-profit organisation that provides third world countries with wells. It is currently providing 200 to 300 wells in Cambodia every month and hopes to increase this number very soon. Wells can improve the health or income of their family. The wells can reduce the chance of diseases such as diarrhea and infection. This can increase the infant mortality rate as well. The income can grow as they have to spend less on water and can grow more crops too.

- Anushka

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To some this book might not seem like much, but it is capable of saving lives in countries in need. Firstly it has tips and can educate people about the water crisis. But that's not all, it also can "filter" water. The pages can kill many waterborne diseases and pathogens while also providing clean water to users for up to four years.

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It uses the water from washing your hands to flush the toilet!

By Yi-Ren

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Your fish will die if you waste too much water while washing your hands. The sink recharges while your not using it. Save Water! Save your Fish!

By Yi-Ren

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In china they were using fresh water for toilet water. Its 7 million residents currently consume 951,000,000m3 of freshwater every year. It was using to much and 80% of the water was imported. To try and fix this problem they started using saltwater to flush there toilets instead of fresh water. Currently, 22 percent of the total municipal water demand is met by seawater.

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This Invention represents a conical, self-supporting and stackable Unit made from transparent, thermo-formable polycarbonate (same as water dispensers) outfitted with a screw cap spout at the tip and an inward circular collecting trough at the base. Technically speaking when you poor bad water into the WaterCone it heats the water.

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Using dams and rain catchments systems to give people who live in rural communities and poor urban colonies in sub-Saharan Africa, the Water Project uses simple water pumps to give clean water to communities who become able to grow themselves out of poverty.
Link to site

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This technology is used to soften your water, so if you live in a hard water area, infrared technology will help. Much like alkaline filters, infrared filters use heat and light to negatively charge the water, and give it a softer feel.

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17 year old Ludwick Marishane created a lotion that contains a blend of chemicals that gets rid of odors, bioflavonoids and essential oils.Dry bathing can save 4 liters of water per person which can add up to billions of people who don't have access to clean water.