Global Warming

Topics: Global warming, Carbon dioxide, Greenhouse gas Pages: 2 (615 words) Published: November 8, 2013
Global warming refers specifically to a rise in the global average surface temperature. In Bridging the Gap’s "Role of Humans in Global Warming” it is discussed what is causing global warming and how it will affect our ecosystem. A temperature rise as fast as the one we have seen over the last 30 years has never happened before, as far as scientists can ascertain. Global warming will have a major impact on humans, not only today but especially in the future. This article explains the role we have when it comes to global warming. Human activities interfere with the way our ecosystem functions naturally. We exhaust our resources and our industrial processes release toxic substances that produce more nutrients than nutrient cycles can process efficiently. I agree that humans are the main cause of global warming and it is up to us to reduce our ecological footprint. Out of the 20 warmest years on record, 19 have occurred since 1980, 6 of the hottest being after 1998. Because fossil fuel provides us with the energy we need to live the way we live today, we have become dependent on them. That dependence has turned into overuse and the release of CO2 into our earth’s atmosphere. We are also adding CO2 by deforestation, which is where forests are cut and burned and the carbon from the trees is released back into the atmosphere. A quote I read on the website World Population Balance was, “The current global population of over 7 billion is already two to three times higher than the sustainable level. Several recent studies show that Earth’s resources are enough to sustain only about 2 billion people at a European standard of living. On average Europeans consume far more resources than any of the poorest two billion people in the world.” Right now it is pretty certain that we are the main cause of the added CO2 that is being released into the atmosphere and the biggest cause of global warming. With all the CO2 being released, greenhouse gas emissions are rising more...

Cited: Audesirk, Teresa, Audesirk, Gerald and Byers, Bruce E. “Life on Earth”. In Smith, Brenda and Morris, LeeAnn Bridging the Gap 10Ed. 441-444.
World Wildlife Fund
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