Global warming refers to the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation. It is caused by Earth's climate changes in response to external forcing, including variations in its orbit around the sun, volcanic eruptions, and atmospheric greenhouse gas concentrations or elevated levels of greenhouse gases due to human activity mentioned as the main influence.
Do you consider that is it important to stop global warming?
Instructions:
Observe the following video related to global warming and its effects worldwide and answer the following questions in paragraph form:
–In your own words, what is global warming?
–Identify and describe three effects of global warming.
–Why is it important to stop global warming?
–What can we do to stop global warming?
Be sure to include your name at the end of your contribution.
Wednesday, March 5, 2008
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