Great Waves NEWS UPDATES

Full Article at http://www.sciencedaily.com/releases/2012/06/120606132308.htm#.T9A5yMN8-5s.reddit

A group of scientists from around the world is warning that population growth, widespread destruction of natural ecosystems, and climate change may be driving Earth toward an irreversible change in the biosphere, a planet-wide tipping point that would have destructive consequences absent adequate preparation and mitigation.

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The result of such a major shift in the biosphere would be mixed, Barnosky noted, with some plant and animal species disappearing, new mixes of remaining species, and major disruptions in terms of which agricultural crops can grow where.

The paper by 22 internationally known scientists describes an urgent need for better predictive models that are based on a detailed understanding of how the biosphere reacted in the distant past to rapidly changing conditions, including climate and human population growth.

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Coauthor Elizabeth Hadly from Stanford University said “we may already be past these tipping points in particular regions…

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