News tagged with dioxide levels

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When palm trees gave way to spruce trees

When palm trees gave way to spruce trees

Space & Earth / Earth Sciences

created Jun 17, 2009 | popularity 4 / 5 (6) | comments 2

For climatologists, part of the challenge in predicting the future is figuring out exactly what happened during previous periods of global climate change.


Amazon carbon sink threatened by drought

Space & Earth / Environment

created Mar 05, 2009 | popularity 3.4 / 5 (5) | comments 2

The Amazon is surprisingly sensitive to drought, according to new research conducted throughout the world's largest tropical forest. The 30-year study, published today in Science, provides the first solid evidence that d ...


Long term strategy needed for reducing greenhouse gases

Long term strategy needed for reducing greenhouse gases

Space & Earth / Environment

created Oct 28, 2008 | popularity 2.6 / 5 (8) | comments 0

Carbon dioxide will continue to rise even if current national and international targets for reducing emissions are met, scientists warn. But, they say, strong action taken now – such as the 80% target recently ...


Gas From the Past Gives Scientists New Insights into Climate and the Oceans

Gas From the Past Gives Scientists New Insights into Climate and the Oceans

Space & Earth / Earth Sciences

created Oct 03, 2008 | popularity 3.7 / 5 (17) | comments 2

(PhysOrg.com) -- In recent years, public discussion of climate change has included concerns that increased levels of carbon dioxide will contribute to global warming, which in turn may change the circulation ...


Volcanic eruptions wiped out ocean life 93 million years ago

Space & Earth / Earth Sciences

created Jul 16, 2008 | popularity 3.8 / 5 (38) | comments 8

University of Alberta scientists contend they have the answer to mass extinction of animals and plants 93 million years ago. The answer, research has uncovered, has been found at the bottom of the sea floor where lava fountains ...