News FocusEcology

Taking the Pulse of Earth's Life-Support Systems

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Science  01 Apr 2005:
Vol. 308, Issue 5718, pp. 41-43
DOI: 10.1126/science.308.5718.41

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A massive effort to document the state of ecosystems--and their ability to provide food, comfort, and other services--lays out some grand challenges, but no easy answers.