Search results for arctic


12 Votes Vote

Arctic beetles may be ideal marker of climate change

Posted by External 4 days ago General
http://feeds.sciencedaily.com — Researchers need to find ways to measure how the changes in climate are affecting biodiversity. One of the best places to look may be down at our feet, at beetles. That`s because, as a research team discovered after doing the first large-scale survey of Arctic beetles, these six-legged critters are not only abundant in number but also diverse in feeding habits and what they eat is closely linked Read More
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10 Votes Vote

Phytoplankton, reducing greenhouse gases or amplifying Arctic warming?

Posted by External 5 days ago General
http://feeds.sciencedaily.com — Scientists have presented the geophysical impact of phytoplankton that triggers positive feedback in the Arctic warming when the warming-induced melting of sea ice stimulates phytoplankton growth. Read More
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8 Votes Vote

Strong currents promote release of Arctic greenhouse gas

Posted by External 6 days ago General
http://feeds.sciencedaily.com — Ocean and Earth Science researchers reveal how the interplay between ocean currents and marine microbiology serve to regulate potentially damaging emissions of the potent greenhouse gas methane, created beneath the Arctic Ocean. Read More
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11 Votes Vote

As US assumes Arctic Council chairmanship, new report emphasizes cooperation over conflict

Posted by External 6 days ago General
http://feeds.sciencedaily.com — Although the media often portray the Arctic as a new 'Great Game' ripe for conflict, a group of international Arctic experts has released recommendations aimed at preserving the polar north as an area for political and military cooperation, sustainable development and scientific research. Read More
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11 Votes Vote

Mercury levels in Arctic birds found increasing over the past 130 years

Posted by External 16 days ago General
http://www.enn.com — Alarm bells are ringing for Arctic wildlife with the discovery that mercury levels in the feathers of ivory gulls have increased almost 50-fold. University of Saskatchewan biologists studied the feathers of museum specimens spanning a 130-year period. Lead researcher Dr Alex Bond told BBC News, “We’re concerned because the mercury’s going up but their diet hasn’t changed over the 130 Read More
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8 Votes Vote

Arctic: Ferromanganese crusts record past climates

Posted by External 17 days ago General
http://feeds.sciencedaily.com — The onset of northern hemispheric glaciation cycles three million years ago has dramatically changed Arctic climate. Scientists have now for the first time reconstructed the history of Arctic climate based on records archived in ferromanganese crusts. Read More
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7 Votes Vote

President Obama approves Arctic drilling

Posted by External 21 days ago General
http://www.enn.com — President Barack Obama has seemingly spent a lot of his second term trying to cement his reputation as one of the United States’s most environmentally conscious leaders. However, his most recent decision to approve controversial oil and gas drilling in the Arctic is certain to lose him favor within the environmental community. How can he preach about the consequences of global warming and carbo Read More
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10 Votes Vote

New source of methane for gas hydrates in Arctic discovered

Posted by External 22 days ago General
http://feeds.sciencedaily.com — Researchers have identified a new source of methane for gas hydrates -- ice-like substances found in sediment that trap methane within the crystal structure of frozen water -- in the Arctic Ocean. The findings, point to a previously undiscovered, stable reservoir for methane that is 'locked' away from the atmosphere, where it could impact global climate change. Read More
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