Global Warming Speech

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Welcome to SciCast. Your leading science informant.

Today we will talk about global warming. There are many opinions about global warming and we’ll be discussing them with some famous professors.

First of all, let’s just have an overview of global warming.

Global warming is defined as A gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.

Global warming is said to be caused by many reasons – some say due to human activities, some say due to the Earth and some people even disagree with the fact that global warming exists.

According to the United States House of Representatives, they had a vote in April 2011, and they said “The House rejected a Democratic amendment Wednesday that would have put the chamber on record backing the widely held scientific view that global warming is occurring and humans are a major cause.

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Congress accepts the scientific findings of the Environmental Protection Agency that climate changes is occurring, is caused largely by human activities, and poses significant risks for public health and welfare.”

Lawmakers voted 184-240 against Rep. Henry Waxman’s (D-Calif.) amendment.”

Dr. Tapio Schneider on the other hand disagrees with what the house said. He stands by his opinion that Global Warming does exist and it’s because of the greenhouse gases. He is a climate scientist and Professor of Environmental Science and Engineering at the California Institute of Technology. Dr. Schneider,

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