Environment news
How Much Energy Goes Into Making a Bottle of Water?
Mar 17, 2009 |
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(PhysOrg.com) -- Most people who buy bottled water have access to clean drinking water virtually for free (in the US, tap water costs less than a penny per gallon, on average). Nevertheless, the consumption ...
First Analysis of the Water Requirements of a Hydrogen Economy
Oct 18, 2007 |
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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 ...
International scientists set boundaries for survival
Sep 23, 2009 |
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Human activities have already pushed the Earth system beyond three of the planet's biophysical thresholds, with consequences that are detrimental or even catastrophic for large parts of the world; six others ...
Researchers show how organic carbon compounds emitted by trees affect air quality
Aug 06, 2009 |
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A previously unrecognized player in the process by which gases produced by trees and other plants become aerosols—microscopically small particles in the atmosphere—has been discovered by a research team led ...
Wastewater produces electricity and desalinates water
Aug 06, 2009 |
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A process that cleans wastewater and generates electricity can also remove 90 percent of salt from brackish water or seawater, according to an international team of researchers from China and the U.S.
The first evidence of pre-industrial mercury pollution in the Andes
May 18, 2009 |
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The study of ancient lake sediment from high altitude lakes in the Andes has revealed for the first time that mercury pollution occurred long before the start of the Industrial Revolution.
President Obama Working to Reverse President Bush's Environmental Legacy
May 01, 2009 |
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(PhysOrg.com) -- In the U.S., there is a tradition followed by outgoing presidents: Enact as many new policies as possible -- especially if you think that the incoming president would disapprove. This practice ...
Report: Most Americans in areas with unhealthy air
Apr 29, 2009 |
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(AP) -- Sixty percent of Americans live in areas with unhealthy air pollution levels, despite a growing green movement and more stringent laws aimed at improving air quality, the American Lung Association ...
Fire influences global warming more than previously thought
Apr 23, 2009 |
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Fire's potent and pervasive effects on ecosystems and on many Earth processes, including climate change, have been underestimated, according to a new report.
What's in your water?: Disinfectants create toxic by-products
Mar 31, 2009 |
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Although perhaps the greatest public health achievement of the 20th century was the disinfection of water, a recent study now shows that the chemicals used to purify the water we drink and use in swimming pools react with ...
Geologists map rocks to soak CO2 from air
Mar 05, 2009 |
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A new report by scientists at Columbia University's Earth Institute and the US Geological Survey points to an abundant supply of carbon-trapping rock in the US that could be used to help stabilize global warming. ...
2008 Was Earth's Coolest Year Since 2000
Feb 23, 2009 |
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(PhysOrg.com) -- Climatologists at the NASA Goddard Institute for Space Studies (GISS) in New York City have found that 2008 was the coolest year since 2000. The GISS analysis also showed that 2008 is the ...
NYC to Construct Eco Tourist Island
Jan 26, 2009 |
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(PhysOrg.com) -- In 2003, the state and city of New York bought Governor's Island from the federal government for $1. Once used as a military base by the US Army and Coast Guard, the 172-acre island located ...
Tree deaths have doubled across the western US
Jan 22, 2009 |
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(PhysOrg.com) -- A new study led by the U.S. Geological Survey and involving the University of Colorado at Boulder indicates tree deaths in the West's old-growth forests have more than doubled in recent decades, ...
New data show much of Antarctica is warming more than previously thought
Jan 21, 2009 |
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(PhysOrg.com) -- Scientists studying climate change have long believed that while most of the rest of the globe has been getting steadily warmer, a large part of Antarctica - the East Antarctic Ice Sheet - ...
