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Space & Earth science / Environment news 1234

First Analysis of the Water Requirements of a Hydrogen Economy

October 18, 2007 | User rating: 4.3 / 5 after 126 vote(s) | User comments: 28

One of the touted benefits of the futuristic US hydrogen economy is that the hydrogen supply—in the form of water—is virtually limitless. This assumption is taken for granted so much that no major study has ...


US rush to produce corn-based ethanol will worsen 'dead zone' in Gulf of Mexico

March 10, 2008 | User rating: 4.5 / 5 after 35 vote(s) | User comments: 6

The U.S. government’s rush to produce corn-based ethanol as a fuel alternative will worsen pollution in the Gulf of Mexico, increasing a “Dead Zone” that kills fish and aquatic life, according to University of British Columbia ...


Astronomer finds that hottest measured extrasolar planet is 3700 degrees

May 09, 2007 | User rating: 4.4 / 5 after 18 vote(s) | No comments yet

"HD 149026b is simply the most exotic, bizarre planet," Harrington said. "It’s pretty small, really dense, and now we find that it’s extremely hot."


Report: Human activity fuels global warming

February 02, 2007 | User rating: 3.2 / 5 after 58 vote(s) | No comments yet

Today's release of a widely anticipated international report on global warming coincides with a growing clamor within the United States to reduce greenhouse gas emissions and prevent the potentially devastating consequences ...


New Study Links Wildfires to Ocean Temperatures

December 26, 2006 | User rating: 4.3 / 5 after 17 vote(s) | No comments yet

Western U.S. wildfires are likely to increase in the coming decades, according to a new tree-ring study led by the University of Comahue in Argentina and involving the University of Colorado at Boulder that links episodic ...


Ocean study predicts the collapse of all seafood fisheries by 2050

November 03, 2006 | User rating: 4.4 / 5 after 39 vote(s) | No comments yet

All species of wild seafood will collapse within 50 years, according to a new study by an international team of ecologists and economists. Writing in the Nov. 3 issue of the journal Science, the researchers ...


Accelerating Loss of Ocean Species Threatens Human Well-Being

November 02, 2006 | User rating: 4.6 / 5 after 83 vote(s) | No comments yet

In a study published in the November 3 issue of the journal, Science, an international group of ecologists and economists show that the loss of biodiversity is profoundly reducing the ocean’s ability ...


Tiny Airborne Particles are a Major Cause of Climate Change

July 18, 2006 | User rating: 4.7 / 5 after 17 vote(s) | No comments yet

A scientist at the Weizmann Institute of Science and his colleagues caused a storm in the atmospheric community when they suggested a few years back that tiny airborne particles, known as aerosols, may be one of the main ...


Global warming could accelerate from thawing Siberian permafrost

June 16, 2006 | User rating: 5 / 5 after 27 vote(s) | No comments yet

Permafrost soil blanketing northeastern Siberia contains about 75 times more carbon than is released by burning fossil fuels each year. That means it could become a potent, likely unstoppable contributor to global climate ...


Warming Oceans Linked to Global Rise of Cyclone Intensity

May 30, 2006 | User rating: not shown ( 4 vote(s) ) | No comments yet

Climate researchers at Purdue University have concluded in a new study that rising sea-surface temperatures over the past 40 years are linked to a trend of more globally intense tropical cyclone activity.


Global warming may have damaged coral reefs forever

May 15, 2006 | User rating: 3.4 / 5 after 29 vote(s) | No comments yet

Global warming has had a more devastating effect on some of the world’s finest coral reefs than previously assumed, suggests the first report to show the long-term impact of sea temperature rise on reef coral ...


Wildlife numbers plummet globally: WWF

May 16, 2008 | User rating: 4 / 5 after 7 vote(s) | User comments: 2

The world's wildlife populations have reduced by around a quarter since the 1970s, according to a major report published Friday by the WWF conservation organization.


Huge project to restore Everglades to be suspended

May 16, 2008 | User rating: 4.4 / 5 after 12 vote(s) | No comments yet

(AP) -- Construction on a huge reservoir meant to help restore the Everglades will be put on hold over a lawsuit brought by a group that fears the water could be diverted for other purposes.


Addressing the 'nitrogen cascade'

May 15, 2008 | User rating: 3.8 / 5 after 22 vote(s) | User comments: 5

While human-caused global climate change has long been a concern for environmental scientists and is a well-known public policy issue, the problem of excessive reactive nitrogen in the environment is little-known beyond a ...


NASA study links Earth impacts to human-caused climate change

May 14, 2008 | User rating: 3.3 / 5 after 23 vote(s) | User comments: 1

A new NASA-led study shows human-caused climate change has made an impact on a wide range of Earth's natural systems, including permafrost thawing, plants blooming earlier across Europe, and lakes declining in productivity ...


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