Tag Archives: National Science Foundation

U.S. Rivers and Streams Saturated With Carbon


Significant amount of carbon in land is leaking into streams and rivers, then to the atmosphere October 16, 2011 Rivers and streams in the United States are releasing substantially more carbon dioxide into the atmosphere than previously thought. This according … Continue reading

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Scientific challenges in the Arctic: Open water


As the ice melts, fresh obstacles confront Arctic researchers. Published online 12 October 2011 | Nature 478, 174-177 (2011) | doi:10.1038/478174a Last month, US researchers took a 4,000-tonne gamble when they steered the Marcus G. Langseth through the Bering Strait and … Continue reading

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Deep oceans can mask global warming for decade-long periods


BOULDER — The planet’s deep oceans at times may absorb enough heat to flatten the rate of global warming for periods of as long as a decade even in the midst of longer-term warming, according to a new analysis led … Continue reading

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Engineering researchers discover source for generating ‘green’ electricity


University of Minnesota engineering researchers in the College of Science and Engineering have recently discovered a new alloy material that converts heat directly into electricity. This revolutionary energy conversion method is in the early stages of development, but it could … Continue reading

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Coping with climate change


Can we predict which species will be able to move far or fast enough to track changing climate? Durham, NC — As global temperatures rise, suitable sites for many plants and animals are shifting to cooler and higher ground. Can … Continue reading

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Ancient fossils hold clues for predicting future climate change, scientists report


By studying fossilized mollusks from some 3.5 million years ago, UCLA geoscientists and colleagues have been able to construct an ancient climate record that holds clues about the long-term effects of Earth’s current levels of atmospheric carbon dioxide, a key contributor to … Continue reading

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How Severe Can Climate Change Become?


Extreme megadrought in Afro-Asian region likely had consequences for Paleolithic cultures How severe can climate change become in a warming world? Worse than anything we’ve seen in written history, according to results of a study appearing this week in the journal … Continue reading

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