Complex Systems
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Featured Article
Ocean acidification troubles
The seas in which corals and other calcifying species dwell are turning acidic, their pH slowly dropping as Earth's oceans acidify in response to increased carbon dioxide... More »
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Featured News
Atlantic hydrothermal vent life
Explorers on NOAA expedition discover chemosynthetic shrimp, tubeworms together for first time at hydrothermal vent, also first live vent tubeworms seen in Atlantic waters... More »
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Featured Article
Changes in the Landscape of Arctic Traditional...
This article, written by Tim Lougheed*, appeared first in Environmental Health Perspectives—the peer-reviewed, open access journal of the National Institute of... More »
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Synthesizing Environmental Research Results
NSF Grant Launches Center for Synthesizing Environmental and Related Research Results Award to develop solutions to today's environmental challenges To help identify... More »
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Detecting ecosystem change in advance
A Tale of Two Lakes: One Gives Early Warning Signal for Ecosystem Collapse First experimental evidence that radical ecosystem change can be detected in advance Researchers... More »
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Era of canopy crane ending
?Main Image: Scientists in the gondola were able to reach the canopy in a 560-foot circle of the forests. Source: U.S. Forest Service. Era of canopy crane ending; certain... More »
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Featured Article
Mass Extinction on Earth
?Main Image: Earth's warming climate is contributing to an infection (Chytridiomycosis*) responsible for tropical frog extinctions. Credit: Nicolle Rager Fuller, National Science... More »
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Featured Gallery
Agriculture II
Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »
Ecosystems and Human Well-Being: Volume 1: Current...
Last Updated on 2012-10-16 at 15:23
This is Chapter 27 of the Millenium Ecosystem Assessment report Ecosystems and Human Well-Being: Volume 1: Current State and Trends
Coordinating Lead Authors: Gordon... More »
Thermohaline circulation
Last Updated on 2012-08-22 at 14:54
Thermohaline circulation (THC) refers to ocean currents driven by fluxes of heat and salinity gradients throughout the seas of the world.The phenomenon of thermohaline... More »
Sea ice
Last Updated on 2012-08-22 at 13:52
What is sea ice?
Sea ice is simply frozen ocean water. It forms, grows, and melts in the ocean. In contrast, icebergs, glaciers, ice sheets, and ice shelves all... More »
Introduction to Climate Change in the Arctic in the...
Last Updated on 2012-08-02 at 23:44
This is Section 17.1 of the Arctic Climate Impact Assessment. Lead Authors: James J. McCarthy, Marybeth Long Martello; Contributing Authors: Robert Corell, Noelle Eckley... More »
Identifying coping and adaptation strategies to...
Last Updated on 2012-08-02 at 16:12
This is Section 17.2.3 of the Arctic Climate Impact Assessment. Lead Authors: James J. McCarthy, Marybeth Long Martello; Contributing Authors: Robert Corell, Noelle Eckley... More »
Methods and models for climate change vulnerability...
Last Updated on 2012-08-02 at 15:38
This is Section 17.3 of the Arctic Climate Impact Assessment. Lead Authors: James J. McCarthy, Marybeth Long Martello; Contributing Authors: Robert Corell, Noelle Eckley... More »
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