global warming

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Recommended: Negative effects of carbon dioxide on the environment

“Global warming is the usually rapid increase in Earth’s average surface temperature, over the past century primarily due to green house gases released as people burn fossil fuels.”(“Cause of Global Warming”) Global warming is a dangerous and complicated issue that not many people know about. Over the past 250 years, people have been releasing greenhouse gases into the atmosphere by burning fossil fuels. Many factors cause global warming, most are by humans. The carbon dioxide over the years has increased much more rapidly now. “Since the industrial revolution began in about 1750’s, carbon dioxide levels have increased nearly thirty-eight percent.” (“Cause of Global Warming”) “ It was not until 1950’s that scientists had discovered that the carbon dioxide levels had increase in the atmosphere and realized it might be a threat. In 1960’s many scientists’ predicted in 2000 the atmosphere would be really bad that it would be the cause of climate change.” (“Global Warming Timeline”) The United States President focused on spreading the news to the nation, but at that time global warming was not a threat so many ignored the signs. However, it was not until 1990 that global warming started to affect the people by climate change. “The effect of climate change on human beings’ health was in focus in 1990s. The issue has not only attracted the experts, but also made the general public worried.” (Moseley Jonathon) Vargas 1 People using cars and factories sending out carbon dioxide in the atmosphere everyday eventually adds up. Scientists have discovered that ninety percent of the global warming is from green-house gases. All the chemicals in the air eventually will start to harm many people and children. D... ... middle of paper ... ....p., n.d. Web. 09 May 2013. "Causes of Global Warming." National Geographic. N.p., n.d. Web. 09 May 2013. "Global Warming & Climate Change." Global Warming & Climate Change. N.p., 09 May 2013. Web. 09 May 2013. "Global Warming Timeline." Global Warming Timeline. N.p., Feb. 2013. Web. 09 May 2013. "History of Global Warming." History of Global Warming. N.p., n.d. Web. 09 May 2013. Irfan, Umair, and Climate Wire. "Warmer Winters Linked to Earlier Flu Outbreaks: Scientific American." Warmer Winters Linked to Earlier Flu Outbreaks: Scientific American. N.p., n.d. Web. 09 May 2013. Jonathon, Moseley. "Global Warming? Oops! Never Mind!" Articles:. N.p., n.d. Web. 09 May 2013. Pyper, Julia. "Nations Change Too Slowly to Combat Climate Change: Scientific American." Nations Change Too Slowly to Combat Climate Change: Scientific American. N.p., n.d. Web. 10 May 2013.

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