Sustainable water technology has been well envisaged by innovators in the development and use of drip irrigation technology. After careful study of irrigation related water cycle and usage, drip irrigation has addressed the dire need of resource management without affecting the basic demands of irrigation. This has not only helped in conserving the precious resource but has also improved productivity significantly.

A second technology involves showering, which represents a huge portion of water and energy use in many houses, so users are happy to access water at a low cost. Fortunately, the innovative shower system can reduce water, energy use, and cost by 70 percent without reducing flow at the showerhead or time spent in the shower. A portable and affordable solar and wind device can be made available to cook, heat, and generate power. It is suitable for city housing and environmentally sensitive for national parks and other natural areas.
Buildings are also depending on green technology, especially because of shortcomings with more traditional technology. Expanded polystyrene is one of these traditional types, an insulation material used in buildings. Because this is not sustainable, more companies are applying green insulation as a healthy, affordable, and effective replacement. One of the reasons why green insulation is effective is because of the technology and raw material it requires. It often involves a revolutionary new manufacturing process that uses a growing organism – algae or mushroom root fibers – to turn waste cellulose into a rigid biological resin. It can also be allowed by flexible platform used to make sustainable materials for different products.

Of particular importance to buildings is that green insulations have a significantly better CO2 balance than its competitors, with a low energy footprint and the capacity to bind significantly more CO2 than other fibers. The insulation stores CO2 long-term while cutting buildings’ energy use. Of particular note is its use for the farming of cattails (a global resource nobody is using up to now). In the biomass, CO2 is stored in large quantities, so even cattail cultivation saves CO2 as degraded wetlands. Additionally, it saves costs, oil, and the health of individuals living in insulated houses.

Outdoor water savings can be achieved using smart irrigation technologies. Smart irrigation controllers and sensors have been developed to reduce outdoor water use by irrigating based on plant water need compared to traditional automatic system timers, which irrigate on a user-determined fixed schedule. This technology exists as a complete controller or as a sensor that can be added to an existing irrigation timer to create a smart controller.  Smart irrigation technology uses weather data or soil moisture data to determine the irrigation need of the landscape.

    

      

      Efficient and affordable public transport enables economic advancement in cities, and facilitates access to markets and resources. Electric transport requires less maintenance and is less likely to break down. As a result, investment in electric transport infrastructure delivers better performance and better support.

    The light-emitting diode (LED) is today's most energy-efficient and rapidly-developing lighting technology. Quality LED light bulbs last longer, are more durable, and offer comparable or better light quality than other types of lighting.

  Solar power..--
power obtained by harnessing the energy of the sun's rays.
     Advantages===

     Disadvantages ====

     

     

The world population is increasing drastically day by day and the demand of means of transport also growing proportionally. Thus demand of fuel is also increasing.  Too much smoke comes out from traditional vehicles this cause air pollution which take many lives every year. These are following factors which creates urgent need for use of electric vehicles:

The world population is increasing drastically day by day and the demand of means of transport also growing proportionally. Thus demand of fuel is also increasing.  Too much smoke comes out from traditional vehicles this cause air pollution which take many lives every year. 

The growth of the market for organic foods is due to its growing popularity among consumers who believe in its superior health benefits and environmental benefits. To get that sense of security of safe and healthy food, consumers are now willing to spend more money on that assurance. The increased price but then limits the affordability only. Also, the popularity of organic foods is higher among wealthy individuals who can afford them easily.

Organic foods also translate to animal welfare, where they are subject to humane treatment. They are not given any antibiotics or growth hormones but are instead grown naturally and in clean conditions. Organic farming also has some environmental benefits. It prevents soil erosion, uses less water, reduces pollution, increases soil fertility, and uses less energy.

According to studies, organically produced meat and milk has better nutritional value than conventionally raised ones, due to their better feed and better living conditions. Also, organic farming is free from any genetic modification or use of genetic engineering to make them resistant to pesticides. Organic foods do not use preservatives to make them last longer as they are sold at a nearby marketplace as quickly as possible while it is fresh. Conventional foods pose a significant health risk, and organic food is free from almost all of them.Organic foods are produced using a system of ecosystem management and not external agricultural inputs. It considers the environmental impacts of the methods and therefore does not include the use of any synthetic fertilizers, herbicides, pesticides, veterinary drugs, genetically modified seeds, or preservatives. Organic foods are very often locally grown foods. Even though now organic food is available at supermarkets, there is some additional benefit of buying it from your local markets. Directly buying from a small scale farmer will help them financially. Also, you get fresh produce straight from the farms without any added preservative or synthetic chemicals.

Some of the fruits with a higher pesticide level and should be brought organic are- apple, kale, bell peppers, cucumbers, celery, peaches, potatoes, spinach, strawberries, and grapes, tomatoes, and hot peppers. Consumers should try and buy organically grown meat if possible, due to the poor conditions and methods of raising animals by feeding them corn, grains, antibiotics, growth hormones, animal by-products, etc. These have a significant health risk for the animal and the person consuming their milk, meat or egg.

Organic foods are priced higher than conventionally grown food due to the more labour-intensive work, the cost of certification, and reduced crop yield as no chemical fertilizer is used to increase production in the short term. Due to this price difference, only a few sections of society have access to organic food. This is being improved slowly as the growth of the organic food industry has increased as demand for organic foods is ever increasing.

The higher price of organic foods is often the point of debate because if the nutritional value of organic food is not higher than that of conventionally produced food, then how can the increased cost be justified. Studies do show that organic food is safer, but some also indicate that nutritional value is less than that of genetically modified. Organic food products such as meat and dairy products, on the other hand, have a higher nutritional value than that of the conventionally raised ones.

Organic farming promotes sustainability over the long run. The aim is to maintain an ecological balance, soil fertility, and prevent and pest problems. The approach taken is proactive. Using methods such as crop rotation, inter-cropping, symbiotic associations, use of manure, and minimize tillage which encourages the soil fauna and flora. The groundwater which often gets polluted due to the use of synthetic fertilizers and pesticides is conserved. Organic farming can also act as a restorative method of farming to promote the biodiversity of the region by improving the air quality and reducing climate change.

The production of organic food has also brought about societal impact and changes. Due to the increasing demand for organic food in developed nations, some lower-income countries produce organic food just for exporting it to other nations. The people in these countries might not be able to buy organic products, which lead to food insecurity. Also, food processing companies prefer to buy from one big farming operation that limits the participation of small farmers in these markets.


Conclusion

Organic foods have both environmental and nutritional benefits backed up by studies. The system of farming it follows is based upon maintaining a balance with nature. It uses agricultural practices such as crop rotation, inter-crop farming to keep the soil enriched of its nutritional contents and prevent soil erosion. It also reduces pollution as the chemical fertilizers and pesticides used in farming seep down to pollute the groundwater. The demand for organic food is increasing, which will lead to an increase in organic farming practices. The essays contain detailed information about the same.

   

Electric vehicles have low running costs as they have less moving parts for maintaining and also very environmentally friendly as they use little or no fossil fuels (petrol or diesel). While some EVs used lead acid or nickel metal hydride batteries, the standard for modern battery electric vehicles is now considered to be lithium ion batteries as they have a greater longevity and are excellent at retaining energy, with a self discharge rate of just 5% per month
Battery Electric Vehicles (BEV)

Compared to an internal combustion engine, battery powered electric vehicles have approximately 99% fewer moving parts that need maintenance.

Advantages of a BEV:

BEVs can be charged at home overnight, providing enough range for average journeys. However, longer journeys or those that require a lot of hill climbs may mean that the fuel cells require charging before you reach your destination, although regenerative braking or driving downhill can help mitigate against this by charging the battery packs.

The typical charging time for an electric car can range from 30 minutes and up to more than 12 hours. This all depends on the speed of the charging station and the size of the battery.

In the real world, range is one of the biggest concerns for electric vehicles, but is something that is being addressed by industry.