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Ancient hot spell is linked to copious carbon dioxide

A mineral that formed in some lakes during a lengthy and particularly warm period in Earth's past suggests that atmospheric concentrations of carbon dioxide were at that time at least triple those found in today's air.

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Keywords: ancient, hot, spell, linked, copious, carbon, dioxide, copiou

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1. AGU Journal highlights -- 21 March 2007
   03-21-2007 · EurekAlert!
   In this issue: Solar blast from the past dwarfed modern ozone destruction; Deep-diving West Coast plate may have triggered massive central U.S. quake; Dry winters in north Mediterranean stoke hot European summers; Calculating a sharper view of the Moon's geochemistry; Lake Superior summer temperatures rising faster than regional air temperatures; Whatever the warming, ocean acidifies from carbon-dioxide buildup; Mineral physics illuminates lower mantle hypothesis.
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2. AGU Journal highlights -- March 21, 2007
   03-21-2007 · EurekAlert!
   In this issue: Solar blast from the past dwarfed modern ozone destruction; Deep-diving West Coast plate may have triggered massive central US quake; Dry winters in north Mediterranean stoke hot European summers; Calculating a sharper view of the Moon's geochemistry; Lake Superior summer temperatures rising faster than regional air temperatures; Whatever the warming, ocean acidifies from carbon-dioxide buildup; and Mineral physics illuminates lower mantle hypothesis.
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3. AGU Journal Highlights -- Aug. 14, 2007
   08-14-2007 · EurekAlert!
   Atlantic storm magnified tsunami waves, Deep Antarctic sea temperature rise, Cooling when ancient lake drained, North Atlantic warming may spur Antarctic current, Linking tsunami heights to earthquake traits, Soil moisture stirs Sahel atmosphere, Dehydrated minerals lubricate faults, Geoengineering perils, Leaf pores shift climate's carbon-dioxide sensitivity, Indian Ocean's temperature reversal, Greek coastal notches show uplift rates, Imaging down under New Zealand volcanic zone, Modeling Amazon floods, Satellite data improves vegetation models, Capillary pressure's electric connection
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4. Global warming of the future is projected by ancient carbon emissions
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5. Ancient leaves point to climate change effect on insects
   02-11-2008 · EurekAlert!
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6. U. of Colorado study shows massive CO2 burps from ocean to atmosphere at end of last ice age
   05-10-2007 · EurekAlert!
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