To interpret what we see today both on land and at the seabed, we need to understand how the landscape was different in the past. When we say "past," we mean on a geologic timeframe—specifically, about 10,000 to 20,000 ...
Earth Sciences
Sep 19, 2017
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A study undertaken by scientists from the University of Alberta and Environment and Climate Change Canada to understand swimming behavior in polar bears is showing an increase in this behavior related to changes in the amount ...
Ecology
Apr 20, 2016
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The rapidly thawing Arctic Ocean may be a new frontier but some of the latest news from there concerns a clam that is believed to date back more than a million years.
Earth Sciences
Dec 22, 2014
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In the North American Arctic the Mackenzie River courses into the Beaufort Sea, the outlet of a watershed that drains a vast swath of the western Canadian landscape. At the river's mouth, the Mackenzie Delta is a broad floodplain ...
Earth Sciences
Jan 15, 2013
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As Shell Alaska's effort to begin exploratory offshore drilling in the Arctic Ocean runs up against a weather-related deadline in the Chukchi Sea, the company has asked to extend its drilling window there.
Environment
Aug 27, 2012
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The heaviest polar ice in more than a decade could postpone the start of offshore oil drilling in the Arctic Ocean until the beginning of August, a delay of up to two weeks, Shell Alaska officials said.
Environment
May 28, 2012
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Scientists on Monday urged Arctic rim nations to set fishing regulations for the Arctic Ocean, and order a moratorium on fishing until stocks are assessed, before trawlers soon start dropping nets in the pristine waters.
Environment
Apr 23, 2012
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Research scientists working for the U.S. Geological Survey report that some Alaska polar bears are losing their fur.
Ecology
Apr 10, 2012
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(PhysOrg.com) -- Drastic reductions in Arctic sea ice in the last decade may be intensifying the chemical release of bromine into the atmosphere, resulting in ground-level ozone depletion and the deposit of toxic mercury ...
Earth Sciences
Mar 2, 2012
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(PhysOrg.com) -- A national research team led by the University of Colorado Boulder is embarking on a two-year, multi-pronged effort to better understand the impacts of environmental factors associated with the continuing ...
Earth Sciences
Jan 26, 2012
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