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Rain Forest Plants Race to Outrun Global Warming

Posted by Amir 292 days ago in Miscellaneous from http://news.nationalgeographic.com

From a 13,000-foot peak of the Andes Mountains in southern Peru, gazing east over the dense rain forests of the Amazon basin, all you see is undulating green—one of the most verdant places on the planet.

It's what you can't see that matters.

The plants are on the run, trying to move to higher ground, where the air is cool enough to support their existence.

"Most of these species are not ... Read More

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The Mystery of Earth’s Oxygen - NYTimes.com

Posted by Mousa 294 days ago in Miscellaneous from http://www.nytimes.com

Where is the earth oxygen comes from? A new study found that our weirdly oxygen-rich atmosphere is the result of a complicated dance of geology and biology. ... Read More

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Water Infrastructure Funding Faces Obstacles to Passage - WaterWorld

Posted by Pooria 296 days ago in Miscellaneous from http://www.waterworld.com

Almost every industry magazine, newsletter or online publication we read today includes articles relating to industry financing and the emergent need to repair our decaying water infrastructure in the United States. WWEMA recently surveyed its members, asking the open-ended question, "What keeps you up at night?" Four out of five respondents replied that it was funding and/or the economy. ... Read More

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Terrestrial Ecosystems at Risk of Major Shifts as Temperatures Increase

Posted by Amir 294 days ago in Miscellaneous from http://www.sciencedaily.com

Over 80% of the world's ice-free land is at risk of profound ecosystem transformation by 2100, a new study reveals. "Essentially, we would be leaving the world as we know it," says Sebastian Ostberg of the Potsdam Institute for Climate Impact Research, Germany. Ostberg and collaborators studied the critical impacts of climate change on landscapes and have now published their results in Earth Syst ... Read More

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China must manage the conflict between coal and water

Posted by Amir 294 days ago in Miscellaneous from http://language.chinadaily.com.cn

In July 2012 China proposed building 363 new coal-fired power plants, 23% of which would sit in areas with "high water stress". Picture: WRI
  China faces a serious conundrum. The country, already the world's largest coal consumer, wants to significantly increase its coal electricity generating capacity in order to expand its economy. But this introduces a critical resource concern: more than ha ... Read More

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Water scarcity by 2030: True for every second person on earth, UN says

Posted by AHamed 294 days ago in Miscellaneous from http://rt.com

About a half of the global population could be facing water shortages by 2030 when demand would exceed water supply by 40 percent, says United Nations Secretary General Ban Ki-Moon.

Opening the Water Summit in Budapest, Hungary on Tuesday, the UN chief warned against unsustainable use of water resources.

“Water is wasted and poorly used by all sectors in all countries. That means all sect ... Read More

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Four Books Explore Humans’ Relationship With Water - NYTimes.com

Posted by Mousa 294 days ago in Miscellaneous from http://www.nytimes.com

New books dive into our planet’s dwindling supply of clean water, a resource that might often seem omnipresent. ... Read More

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Why wed be mad to rule out climate engineering

Posted by Amir 294 days ago in Miscellaneous from http://www.theguardian.com

The release of the report by the International Panel on Climate Change (IPCC) last month threw into stark relief the clear message on anthropogenic global warming and sounded the direst of warnings against our continued inaction. For the first time, and to the alarm of some, discussion on geoengineering (or, more correctly, climate engineering) was included in the report.

A single paragraph co ... Read More

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Abrupt climate shift may have altered Everglades 2,800 years ago

Posted by Amir 295 days ago in Miscellaneous from http://phys.org

A semi-permanent high pressure weather pattern, commonly known as the Bermuda High, shifted to the southeast about 2,800 years ago. As a consequence, tropical storms that had routinely hit South Florida were shunted into the Gulf of Mexico. The resulting change in weather pattern was an important precursor of current environmental conditions in the Florida Everglades.

Read more at: http://phys ... Read More

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Plastic waste threatens lakes as well as oceans

Posted by Amir 295 days ago in Miscellaneous from http://www.bbc.co.uk

Pollution with plastic waste is not confined to the oceans but poses a growing threat to lakes as well.

That is the view of researchers who found significant concentrations of the substance in Italy's Lake Garda.

They say the levels are similar to those found in samples taken from marine beach sediments.

They are concerned that these tiny plastic particles are accumulating in freshwater ... Read More

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