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Line 1: + + − '''Global warming''' is a phrase which commonly refers to a scientific theory and to political proposals that follow if the theory is accepted. The scientific theory is widely but not universally accepted within the scientific community. Conservatives who are opposed to the political proposals that flow from acceptance of the theory, are properly skeptical of the motivations of the theorists, and challenge the scientific validity of portions of the theory. Many believe global warming is simply a liberal talking point, aimed at shackling profitable oil and power companies, forcing them to pursue a "green" agenda that environmentalists agree with. The phrase really includes three separate theories.+
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'''Global Warming''' is a phrase which commonly refers to a scientific theory and political proposals that would follow if the theory is accepted. The theory states that Earths' temperature and CO<sub>2</sub> levels are rising at a dangerous rate, and that humans need to take action against this percieved threat.
== History ==
== History ==
The scientific theory is widely but not universally accepted within the scientific community. Conservatives who are opposed to the political proposals that flow from acceptance of the theory, are properly skeptical of the motivations of the theorists, and challenge the scientific validity of portions of the theory. Many believe global warming is simply a liberal talking point, aimed at shackling profitable oil and power companies, forcing them to pursue a "green" agenda that environmentalists agree with. The phrase really includes three separate theories.
:1) The theory that we are currently in a period of rapid climate change consisting of increasing temperature, which, if it were to continue, would have important socio-economic consequences well within the next century.
:1) The theory that we are currently in a period of rapid climate change consisting of increasing temperature, which, if it were to continue, would have important socio-economic consequences well within the next century.
:2) The theory that this change is caused by increasing CO<sub>2</sub> gasses and a resulting "greenhouse" effect.
:2) The theory that this change is caused by increasing CO<sub>2</sub> gasses and a resulting "greenhouse" effect.