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New method details contributions of climate change & natural variability to rapid Arctic ice loss

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The study, from the University of Washington, the University of California Santa Barbara and federal scientists, is published in Nature Climate Change. The new paper focuses specifically on what this atmospheric circulation means for Arctic sea ice in September, when the ocean reaches its maximum area of open water.

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PCAST suggests 6 key components for climate change strategy to President Obama; adaptation and mitigation

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The President’s Council of Advisors on Science and Technology (PCAST) released a letter to President Obama describing six key components the advisory group believes should be central to the Administration’s strategy for addressing climate change. Improving coordination and support for research efforts on climate change preparedness.

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NRC report: US Navy, Marines and Coast Guard need to begin now to prepare for effects of climate change in the Arctic

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In response to the measured and projected effects of climate change, US naval forces—i.e., The committee found that even the most moderate current trends in climate, if continued, will present new national security challenges. Click to enlarge.

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Population Growth, Land and Water Limits and Climate Change Forcing a Radical Rethinking of Agriculture; GM Crops, Aquaculture, Drylands and Saline Agriculture

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Population growth, limits to arable land and fresh water, and climate change have “ profound implications ” for the ability of agriculture to meet this century’s demands for food, feed, fiber, and fuel while reducing the environmental impact of their production. ” —Federoff et al. Resources.

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Researchers confirm existence of North Icelandic Jet current; implications for ocean response to climate change

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An international team of researchers has confirmed the presence of a deep-reaching ocean circulation system off Iceland—the North Icelandic Jet (NIJ)—that could significantly influence the ocean’s response to climate change in previously unforeseen ways. Credit: WHOI. Click to enlarge. Credit: WHOI.

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Study Finds Indian Ocean Sea-Level Rise Threatens Coastal Areas; Climate Change Partly Responsible

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finds that the sea-level rise is at least partly a result of climate change. The key player in the process is the Indo-Pacific warm pool, an enormous, bathtub-shaped area spanning a huge area of the tropical oceans stretching from the east coast of Africa east to the International Date Line in the Pacific.

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Perspective: The Role of Offsets in Climate Change Legislation

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This article shows that including offsets in climate change legislation would likely make an emissions program more cost-effective by: (a) providing an incentive for non-regulated sources to generate emission reductions; and (b) expanding emission compliance opportunities for regulated entities. CREDIBILITY OF OFFSETS. 3) Measurement.