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From ScienceDaily: Latest Science News:
Global temperatures predicted for the coming centuries may trigger a new 'mass extinction event' where over 50 percent of animal and plant species would be wiped out, warn scientists. Scientists have discovered a close association between Earth climate and extinctions in a study that has examined the relationship over the past 520 million years â€" almost the entire fossil record available.
Matching data sets of marine and terrestrial diversity against temperature estimates, evidence shows that global biodiversity is relatively low during warm 'greenhouse' phases and extinctions relatively high, while the reverse is true in cooler 'icehouse' phases.
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