Lorine Helwick: Scientists have determined that a number of human activities are contributing to global warming by adding excessive amounts of greenhouse gases to the atmosphere. Greenhouse gases such as carbon dioxide accummulate in the atmosphere and trap heat that normally would exit into outer space.trust me its really good answer !!!!i hope this helps you and please don't forget to vote !!...Show more
Ayesha Genova: The problem is the removal from a sequestered state of the prehistoric carbon. If we burned wood there wouldn't be a problem because the carbon isn't prehistoric. For a history of the problem go to:http://www.aip.org/history/climate/co2.htm...Show more
Branden Round: global warming is caused by an increase of greenhouse gases (mainly CO2 and water vapor) in the atmosphere. They came from the burning of fossil fuels. Not only do they result in a warmer atmosphere, greenhouse gases also cause a rise in sea levels, climate change (some places ! drier, some wetter, and most warmer) and melting glaciers
Tillie Wynott: because of pollution and waist, but mostly because of the smoke which is polluting our air which lead to a huge hole in our ozone layer which is letting too much of the suns rays though which is melting the two poles which will lead to the end of the world!WHAT! SAY SOMETHING FOOL
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