Essay Archive - Human Impact On Air And Climate
Human Impact On Air And Climate
The importance of human influence on global climate change was
again highlighted in a groundbreaking study of Earth's temperature over the
past 600 years. Reconstructing the global temperature record,
climatologists have determinined that three recent years were the warmest
years since AD 1400 -- 1997, 1995, and 1990. The study, conducted by
Michael Mann and Raymond Bradley of the University of Massachusetts
geosciences department, along with University of Arizona colleague Malcolm
Hughes, is detailed in the April 23 issue of the journal Nature. The
researchers were able to estimate temperat....
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