I accept receiving promo codes and other educational info from this company.
Get My Code
Number of Pages 4
A 4 page paper. The writer suggests that the exact location and time when global warming began cannot be determined but it does appear to have begun millennia ago, even prior to the industrial revolution. Recent research from drillings in Greenland suggest a new theory for past ice ages and warming trends. Data are reported when available. Both carbon dioxide and methane hydrate cause this greenhouse effect; this is discussed. Bibliography lists 4 sources.
File: MM12_PGglvwhy.RTF
Send me this paper »
« Back to Topic Listings