Earth
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Earth
Identifying Polluters
Three major business schools have teamed up to map some 20,000 sources of industrial pollution. You can search for polluters in a particular region, in a designated industry, or those associated with a named company, then probe their emissions by type and quantity, look at how their pollutant trends have changed over time, and compare […]
By Science News -
Environment
How Plastic We’ve Become
Uncle Sam has confirmed it: Our bodies carry residues of kitchen plastics.
By Janet Raloff -
Earth
Bird’s-eye view of Antarctic ice loss
Satellite images of Antarctica between 1992 and 2006 indicate that the continent was losing ice much faster at the end of that period than it was a decade before.
By Sid Perkins -
Earth
Switchgrass may yield biofuel bounty
Making ethanol from switchgrass yielded more than 5 times more energy than needed to grow the crops in a large-scale farming trial.
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Agriculture
A Sweeter Hops
Federal scientists have bred a new, antimicrobial-rich hops variety for tea.
By Janet Raloff -
Earth
Hued Afterglow: Fingerprinting diamonds via phosphorescence
The eerie phosphorescence displayed by a rare form of blue diamond can be used as an easy, cheap, and nondestructive way to identify individual gemstones and to distinguish natural blue diamonds from synthetic ones.
By Sid Perkins -
Earth
Focus on Our Planet
Although the United Nations has officially designated 2008 as the International Year of Planet Earth, the 3-year celebration actually began a year ago and will continue through December 2009. The program’s ultimate goal: “to build safer, healthier and wealthier societies around the globe” through a better appreciation for and harnessing of Earth sciences. The UN […]
By Science News -
Earth
Plowing the Ancient Seas: Iceberg scours found off South Carolina
Recent sonar surveys off the southeastern United States have detected dozens of broad furrows on the seafloor that were carved by icebergs during the last ice age.
By Sid Perkins -
Earth
In 2007, Greenland set a melting record
The duration and extent of ice melt across high-altitude portions of the Greenland ice sheet last year were the highest they've been in recent decades, satellite observations indicate.
By Sid Perkins -
Earth
No-drive experiment curbs air pollution in Beijing
Traffic-control measures can significantly reduce urban air pollution, a field study in Beijing this past summer indicates.
By Sid Perkins -
Earth
Smog’s heavy impacts
Being overweight increases the risk that people will develop breathing difficulties after encountering smoggy air.
By Janet Raloff -
Earth
Portrait of a Meltdown: Many factors led to 2007’s record low in Arctic sea ice
A variety of climatological factors converged in a perfect storm that melted the Arctic Ocean's ice cover to a record low in 2007. It could be a harbinger of ice-poor summers for decades to come.
By Sid Perkins