The U.S. government

What has the U.S. government done so far in response to the issue of global warming, and why does this issue require an international solution?

This assignment must be written using proper English grammar, punctuation, and spelling. Two (2) points will be deducted for each spelling, grammatical, and/or punctuation error. Work that contains more than five (5) spelling, grammatical, or punctuation errors will receive a grade of F (no points).
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