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the global warming is affecting our comunity and our daily life activities

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The first recommendation is to reduce the emicions from cars sold in the state (just in the state since they can't do that with other cars)
To declare carbon dioxide a pollutant so people don’t use it and it helps to stop the Global Warming.
To reduce the quantity of greenhouse gases

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Climate changes affect polar bears because ice is melting faster and some polar bears go to the ocean and they sometimes don´t adapt to their new habitat so they die.
We need to stop this

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I conclude that bees pollinizate plants, so if they dissapear the food chain will be altered because plants will decay, so animals will extint and four yers later humans will die

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global warming is the change of temperature in the world, the diference betwen global warming and climate change is that climate change is the amount of climate of to many years ago

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wlobal warming is one of the bigest issues in the world.
We are killing animals and ecosystems.
To stop it we need to stop throwing trash, stop contaminating the more we can.

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what dose the special plases do to help the animals from the global warming

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what dose the special plases do to help the animals from the global warming

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the special places that help the plants or animals that will be affected because of the wlobal warming,those plases that help the animals and they have specific animals that are affected

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is cused by man

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The  global warming is killing animalsResultado de imagen para global warming
http://timesofindia.indiatimes.com/photo/55421286.cms

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http://www.animalplanet.com/wild-animals/endangered-species/blue-whale/
here there is an explanation of  the death of whales
an the problems it will generate

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http://www.nationalgeographic.com/environment/global-warming/global-warming-effects/
#ChuyIsAPotato

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What to do for prevening thglobal warming ?

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What to do for prevening thglobal warming ?

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What we can do for prevening the gobal warming is using more the bicycle or the public transport
using less bottles applying the 3R
using less gases...ETC

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The deforestation is also part of the global warming.

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Many species have been impacted by rising temperatures, causing migration.

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the global warming can be caused by the CO2.
The CO2 is caused by the gases that the human do.The global warming is related with the Green house effect

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the global warming will afect the humans and animals  so we need to stop throwing trash,using a lot of wter ,etc.

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Ice is melting worldwide, especially at the Earth’s poles. This means mountain glaciers, ice sheets covering West Antarctica and Greenland, and Arctic sea ice.

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1. To reduce emissions from cars sold in the state.

2. To declare carbon dioxide a pollutant under the Clean Air Act.

3. Propose a cap-and-trade plan on global warming. Persuading Congress to move on a program mandating–at bottom–a 20-to-35 percent reduction of greenhouse gases.

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With near-consensus among scientists that catastrophic consequences of anthropogenic global warming are already on their way, yet little being done to avert it, it's time for the U.S. to begin treating the climate crisis like the planetary emergency that it is. The new presidential administration has a rare opportunity to seize the moment and reassert American leadership on this crucial issue of security, social justice, and economic well-being. I asked experts working across the energy-policy spectrum on how the professedly green Obama administration can hit the ground running.

1. Direct the Environmental Protection Agency to allow California to require car makers to reduce emissions from cars sold in the state. Current EPA administrator Stephen L. Johnson has ignored his staff's advice in denying California a waiver to implement its Clean Cars program, requiring it to instead defer to less stringent national standards. At Obama's direction, the new administrator he has nominated, Lisa Jackson, can allow California-plus the 16 additional states eager to adopt its program-to bring the bloated automakers to heel. "He can do this right away," explains Roland Hwang, vehicle policy analyst at the Natural Resources Defense Council (NRDC). "In fact, the courts are expecting Obama to do just that." Expect a lot of moaning and groaning from the beleaguered automakers; producing cleaner vehicles should be a condition of their loan arrangements.

2. Tell the EPA to declare carbon dioxide a pollutant under the Clean Air Act. In 2007, the U.S. Supreme Court ruled in Massachusetts vs. EPA that the Clean Air Act gives the EPA the authority to do just that. "Obama should make the 'endangerment finding' under the Clean Air Act the first step toward establishing a regime to reduce greenhouse-gas emissions from power plants and other major sources," declares Daniel Weiss, senior fellow and director of climate strategy at the Center for American Progress (hose president and CEO, John Podesta, directs the Obama transition team). Adds NRDC's Hwang, it's "a slam dunk."

3. Propose a cap-and-trade plan on global warming. Persuading Congress to quickly move on a program mandating-at bottom-a 20-to-35 percent reduction of greenhouse gases from 1990 levels by 2020 would be a good start, as would reductions of 80 percent of 1990 levels by 2050. But it is important that targets in 2030 and 2040 be set and met to reach, in 2050, a goal of 80 percent reduction from 1990 levels. Otherwise it's all theory. "It is critical to be on the right trajectory," says Hwang. Whatever program we adopt "should require emitters to buy pollution allowances in an auction," adds Weiss, rather than giving them away (which would amount to massive corporate welfare and institute a lobbying stampede the likes of which has never been seen before).

4. Smartly apportion billions as part of an economic stimulus and recovery package. Of the hundreds of billions of dollars of "shovel-ready" infrastructure fortification in states and cities, more than 90 percent is scheduled for more highways-what adds NRDC's Hwang calls "a whole bunch of bridges to nowhere." Obama has already called for new economic stimulus, but spending money on the right thing should be a hallmark of an administration truly devoted to change. "He can tell Congress that he wants a massive portion of the package's funds to go toward further buildout of rail and mass transit projects," argues Lovass. "We have to graduate from remedial-class public transportation system."

5. Make the White House as a case study in green living. If change begins at home, it's time to green 1600 Pennsylvania. Ever since the Reagan administration reversed the conservation policies of the Carter administration, going so far to take the solar panels off the White House, 1600 Pennsylvania has been a crappy example of a environmentally-conscious home and workplace. Conservation is the low-hanging fruit of reducing one's carbon footprint; by incentivizing low consumption, California has kept its energy use almost constant while doubling in population over the last 30 years. Obama can kick-start awareness with high-profile actions like putting those panels back up and hiring a White House chef specializing in organic cuisine. "Obama should illustrate that conservation is a personal virtue and very much an American value," suggests Tad Fettig, director of the PBS series e2: economies of being environmentally conscious.

6. Stimulate smart agriculture. Factory farming is another criminally underrated threat to the planet, releasing methane, which is 21 times more powerful a greenhouse gas than carbon dioxide, in addition to CO2 and other toxic effluvia. The administration could start by privileging subsidization based on sequestration rather than yield. "If it costs money to emit carbon," says Jill Richardson, agriculture journalist and founder of the alt-food blog La Via Locavore, "then why not compensate those who can sequester carbon?"

7. Green America's fleet. With the automakers reeling after decades of favoring energy-hogging vehicles, this one can kill two birds with one stone. Obama has already asked for a million American-built electric hybrids capable of 150 miles per gallon in six years. While we're waiting, he should make gas hogs pay their way. Implementing a sales tax or fee structure favoring hybrids, whereby low-mileage vehicles are more expensive to buyers regardless of what the automakers are charging, would be a good way to kick the tires. He could also encourage cities and suburbs to electrify their bus and shuttle fleets, and enact congestion pricing in cities in California, Texas, and New York. Incentivizing other polluters to switch to electric or CNG would be a steal, while cleaning up the automakers' act would be the home run. "Obama could ensure that a bridge loan program for auto companies requires them to not just speed up their efforts to produce fuel-efficient cars," explains Weiss, "but also cease their challenges of federal or state clean energy or greenhouse gas programs."

8. Pave the way for clean tech. By nominating Steven Chu as Secretary of Energy, a Nobel-winning scientist developing renewables, the Obama transition has signaled that it wants to clean up the country's energy problem. It can start that much-needed process by tripling federal research and development spending on clean technologies like solar, biofuels, and innovations yet to be discovered, a pittance considering how little budget is currently allocated for the problem. As for old, dirty tech, "the White House should seek to ban new coal plants that don't capture their carbon," says Joseph Romm, senior fellow at the Center for American Progress and manager of its blog ClimateProgress.org.

9. Make Big Oil pay. Resource wars and consecutive quarters of record-setting earnings have made Exxon and other oil titans rich while bankrupting the nation. Although Obama has come out against a gas tax, it is only a matter of time before that wall crumbles. "The Obama administration should end tax breaks for big oil companies, and recover lost royalties from oil and gas production in the Gulf of Mexico," explains Weiss. "Banning offshore oil and gas production for at least 50 miles off the coast wouldn't hurt either."

10. Modernize the grid. The transmission of power needs more power, whether that is getting renewable energy like wind to urban areas or rethinking regulation already in place. "Obama should initiate national efforts to rewrite state utility regulations to put efficiency on equal ground with supply," adds Romm. "We need a major effort to create a smart, green grid."

Plenty is an environmental media company dedicated to exploring and giving voice to the green revolution that will define the 21st Century. Click here to subscribe to Plenty.

By Scott Thill, Plenty magazine

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With near-consensus among scientists that catastrophic consequences of anthropogenic global warming are already on their way, yet little being done to avert it, it's time for the U.S. to begin treating the climate crisis like the planetary emergency that it is.

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Global warming is expected to have far-reaching, long-lasting and, in many cases, devastating consequences for planet Earth.

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doing actions to reduce global warming like throwing the trash in the right place,use more bicycles than

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Globa warming is an important topic because it affects al in the planet and we are causing it cause the green house effects

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The global garming is a total threat for the world, because it´s making the ecosystem failer,economic colapse,storms,effect of the human hell,between many other things.

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the temperatura is affecting cdmx because is getting so hot the earth

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to fight against global warming because it hurts animals,plants and humans.

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How does Global Warming affect the world?

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How does Global Warming affect the world?

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The planet is warming from North Pole to South Pole.

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1          China        23.43 %

2          U.S.          14.69 %

3          India         5.70 %

4          Russia     4.87

5          Brazil        4.17 %

6          Japan        3.61 %

7          Indonesia      2.31 %

8          Germany       2.23 %

9          Korea            1.75 %

10       Canada         1.57 %

11       Iran                1.36

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GLOBAL WARMING IS DANGEROUS AND IT IS AFFECTING ALL THE WORLD ...

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Greenhouse gases have risen sharply since 1958, primarily due to the Industrial Revolution.

Since the dawn of the Industrial Revolution, humans have increasingly been contributing unnatural sources of greenhouse gases into the system, causing the system to become unbalanced.

The Earth maintains a habitable temperature due to the Greenhouse Effect, which allows heat from the sun to penetrate our atmosphere, where it is absorbed by the Earth's surface or radiated out and reflected back to Earth by greenhouse gases in the atmosphere. Without it, the Earth would be a cold and hostile planet, and would most likely be uninhabitable.

However, maintaining the natural balance necessary to keep the Earth's temperature within a range that is viable for life as we know it is a very fine line that can easily be crossed.

Greenhouse gases are naturally occurring gases that pose no harm when they are in balance. However, when they are present in excess, the system becomes unbalanced and things start to go awry.

Anthropogenic Causes of Global Warming

The most important greenhouse gases are carbon dioxide, methane, nitrous oxide and water vapor. While all these gases occur naturally in the atmosphere, emissions from human sources has caused their levels to rise to a point that is no longer sustainable.

Lets take a look at the major human causes of global warming.

Carbon Dioxide

Atmospheric carbon dioxide concentrations have risen by more than 40% since scientists first started recording these levels, from 280 parts per million (ppm) in 1958 to over 400ppm today.

According to NOAA, over the past 800,000 years, atmospheric carbon dioxide concentrations have fluctuated between 180 ppm during ice ages to 280 ppm during warm interglacial periods.

Atmospheric carbon dioxide concentrations are not only higher than they have been in over 800,000 years, the current increase that we are seeing today is more than 100 times faster than that experienced at the end of the last ice age. This is largely due to human activities; primarily the burning of fossil fuels, but also due to deforestation as a result of logging for timber and clearing for agriculture and development.

Human sources of carbon dioxide

Human sources of carbon dioxide include:

Burning Fossil Fuels: burning coal to generate electricity, burning oil to power vehicles and aircraft (vehicle emissions), or burning wood in fires used for cooking or to provide heat, etc. changes the state of stored organic carbon from a liquid (e.g. oil) or solid (e.g. coal/wood) into a gas (carbon dioxide) which is released into the atmosphere.

Deforestation: vegetation absorbs carbon dioxide from the atmosphere during the process of photosynthesis, converting this to carbon which is stored within all plants (i.e it is a carbon sink). When vegetation is burned, this organic carbon is released into the atmosphere in the form of carbon dioxide, and in so doing becomes a carbon source rather than a carbon sink.

Although methane has a shorter lifespan, and consequently, is not as abundant in the atmosphere as carbon dioxide, in terms of it effect as a greenhouse gas, it is much more potent. Methane is produced when organic matter breaks down and also when ruminants digest their food.

Human sources of methane

Human sources of methane include:

Decomposing organic matter: landfills, animal waste, sewerage and dams are all human sources of methane. For example, organic matter is trapped behind dam walls where it sinks to the bottom of the dam and decomposes. Bacteria produce methane in the decomposition process, which slowly escapes to the surface and is released into the atmosphere. Landfill gas operations and biodigesters provide a method of mitigation, and not only harness methane that would otherwise be released into the atmosphere, but also provide an alternative source of fuel.

Natural gas extraction: methane escapes during oil and gas extraction (e.g. fracking) operations and is released into the atmosphere.

Nitrous Oxide

Nitrous oxide is a potent greenhouse gas that is released primarily by fertilizers used in agriculture and landscaping, but also during the burning of fossil fuels and other organic matter. Atmospheric nitrous oxide levels have risen by roughly 18% since the Industrial Revolution, spiking rapidly towards the end of the 1900's.

Water Vapor

Water is essential for life, and as it is constantly cycling from one state to another, it is not surprising that it is the most abundant of all the greenhouse gases. However, water vapor not only acts as a greenhouse gas, it also increases as the atmosphere gets warmer and provides climate feedbacks. While humans do not play a large direct role in producing water vapor, other human emissions promote atmospheric warming, which in turn promote evaporation that results in more water vapor in the atmosphere.

Chlorofluorocarbons

Chlorofluorocarbons (CFCs) are long-lasting greenhouse gases that also destroy the ozone layer. CFCs do not occur naturally in the atmosphere - they are synthetic compounds that only originate from human sources, including: aerosols, foaming agents, refrigerants, and other industrial applications.

Evidence That Humans are Causing Global Warming

Both natural and human factors contribute to global warming, however, evidence has shown that the warming we are currently witnessing is largely as a result of human forcing. According to the Union of Concerned Scientists, there are several indications that provide evidence that humans are the cause of global warming rather than it being due to natural variability - these indicators include:

Oceans have absorbed 20 times more heat than the atmosphere resulting in warmer oceans,. The recorded increases in ocean temperatures extend well beyond that of natural climate variation.

Atmosphere Boundary Shifts

The boundary of the lower atmosphere (troposphere) that contains our weather has risen by more than 900 feet over a twenty year period between 1979-1999, according to a study conducted in 2003. To gain a better understanding of why this is happening, scientists modeled both natural and human drivers of climate change (volcanic aerosols and solar changes for the former; and greenhouse gas emissions, aerosol pollutants, and ozone depletion for the latter). They determined that solar changes during the 1900s have caused both the stratosphere and troposphere to warm up.

But this has been exacerbated by human activities which have led to: 1) an increase in greenhouse gas emissions that causes heat to remain trapped within the troposphere, and 2) a decrease in ozone in the stratosphere, causing less sunlight to be absorbed by the ozone layer, resulting in a cooling of the stratosphere. The combined effects of these two phenomena is responsible for more than 80% of the troposphere's boundary (known as the tropopause) shift upward.

Rising Surface Temperatures

Average global temperatures have increased by 1.4°F over the last century, with the most significant increases occurring in the last 30 years.

Scientists have modeled the Earth's temperature with both natural and human drivers of climate change and the results show that greenhouse gas emissions are causing the Earth to warm up three times as fast now than in 1950,.

Taking a closer look at where exactly this warming is occurring, scientists have identified that natural climate drivers are short-lived events, and that human emissions are primarily responsible for the rapid rise in temperatures that we have seen over the latter part of last century and what we are witnessing today.

References and Image Credits

Image Credit: "Greenhouse Gas by Sector" by Robert A. Rohde - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons

Image Credit: "Where is global warming going" by Skeptical Science (https://www.skepticalscience.com/graphics.php?g=12) CC BY 3.0, via Wikimedia Commons

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Causes of Global Warming: the Human Impact

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Greenhouse gases have risen sharply since 1958, primarily due to the Industrial Revolution. Since the dawn of the Industrial Revolution, humans have increasingly been contributing unnatural sources of greenhouse gases into the system, causing the system to become unbalanced.

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Coral reefs are very important for life. They are the house of many fish, and the problem is that they are disappearing because of global warming, which is our fault. We need to do something to save animals and ourselves, not for the Earth, because it is the one that is going to survive, not us.

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Global Warming is the major challenge for our global society. There is very little doubt that global warming will change our climate in this XXI Century.
The green house effect is when the solar rays passes the ozone layer and gets trapped on the inside causing  higher temperatures on the planet.