Climate Change : Why We Must Act Now Essay

1283 Words Feb 2nd, 2016 null Page
Climate Change: Why We Must Act Now Before humans and before human 's were industrial enough to cause a significant impact on earth 's climate, climate change was caused by many natural factors including changes in natural greenhouse gas concentrations. The natural "greenhouse effect" is caused by heat-trapping gases such as Carbon Dioxide (CO2), Water Vapor (H2O), Methane (CH4), and Nitrous Oxide (N2O). These gases absorb heat that is radiated from the earth 's surface and then radiates the energy back to the surface. Our climate is dependent on this warming effect, without which the earth would be about 60 degrees Fahrenheit colder (U.S Global 14). Without this warming effect, we would not able to live, nor would we be here to begin with. That being said, when enhanced, the greenhouse effect can have negative consequences for us and our lives. This is the type of climate change being discussed and debated by scientists, environmentalists, and politicians alike--man-made climate change. Since 1859 scientists have known about the heating potential of Carbon dioxide when British physicist John Tyndall began experiments that lead to the discovery that CO2 in the atmosphere absorbs the sun 's heat and in 1938 engineer Guy S. Callendar speculated that the additional amounts of CO2 added to the atmosphere by the combustion of fossil fuels was contributing to climate change ("Pro"). Even though there are other greenhouse gases CO2 gets all the attention. The reason…

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