Global Warming And Its Effects

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Global Warming human caused Intro- Imagine a life where polar bears in the Artic are extinct. Cities along the coast no longer exist from the ocean rising and covering it. Heat waves and floods are much more common. All of these things are predicted to happen in the future due to global warming. Whether humans cause global warming or if it is natural has been at debate for a long time. Background- Many people might ask what is global warming exactly. In the article “What is Global Warming” Bradford defines it as “the gradual heating of Earth’s surface, oceans and atmosphere” (Bradford, 2014, para 1). The Earth’s temperature has been documented ever since the 1800s and has slowly been increasing. Bradford shows this by writing “Earth’s average temperature has risen by 1.4 degrees Fahrenheit (0.8 degrees Celsius) over the past century, according to the Environmental Protection Agency (EPA)” (Bradford, 2014, para. 1). The greenhouse effect is a natural process which involves the suns radiation and the Earth’s atmosphere. Basically, the sun’s radiation goes through the Earth’s surface where it becomes absorbed. Then the greenhouse gases absorb almost all of this heat and sends it back to Earth. This process increases the planets temperature so life can exist. However, human activity has been increasing the amount of greenhouse gases in the atmosphere which is causing the suns radiation to be trapped which in turn causes Earth’s temperature to increase. Many gases

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