Ask Dr. Global Change
Ask Dr. Global Change
What is global change?
Last updated 01 November 2004
Originally answered 1 November 2004
Full Question
What is the definition of “global change?”
Answer
According to the U.S. Global Change Research Act of 1990, global change is defined as:
“Changes in the global environment (including alterations in climate, land productivity, oceans or other water resources, atmospheric chemistry, and ecological systems) that may alter the capacity of the Earth to sustain life.”
The U.S. Global Change Research Act of 1990 is the public law that established the U.S. Global Change Research Program (USGCRP) and the U.S. Global Change Research Information Office (GCRIO).
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