The problem of global warming, an increase in the average temperature on Earth, is getting worse. The Earth has warmed 0.3 to 0.6 degrees Celsius since the late 1800s. Scientists believe that the cause is the greenhouse effect, the process of trapping heat in the Earth’s atmosphere because of the presence of large amounts of carbon dioxide, chlorofluoro carbons, methane, and nitrogen oxides. Less oxygen is

On a global level, countries around the world have expressed a firm commitment to strengthening international responses to the risks of climate change. The U.S. is working to strengthen international action and broaden the participation from people around the world. Communities around the world can help by trying not to emit such harmful gases into our atmosphere. One example of this would be to carpool a lot more. If someone knows that they are going to the exact same place as one of their friends, and they live, for the most part, near each other, then they should carpool. Yes, it may be more convenient to the person to take separate cars, but in turn they are committing a selfish act to the rest of the people of the world.

being produced and cleaning the atmosphere allowing more of these gases to do its work on the environment. Automobiles exhausts are just one of the contributors to this problem. The burning of fossil fuels is another major influence to the increase in global temperature as well. The destruction of the rainforests and all forests and trees in general, is another. Every car produces enough gases from its exhaust into the atmosphere that takes a mature tree to clean in about five years. Trees keep the air clean for the environment by taking the gases in and produces oxygen out of it. By cutting down the trees we are allowing for more of the carbon to be exposed into the atmosphere. Another factor that most people would not consider in the raising of global warming is the excrement of cows. Cows produces tons of carbon that does not all get treated for, and is in the top five for highest amounts of carbon produced per year. This is another factor that somehow has to be dealt with.

1999. Available WWW:http://www.earthobservatory.nasa.gov/study/.

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