Earth
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Earth
Long dry spell
Falling reservoir levels in the western United States are just one symptom that the region is suffering through a drought that may be the worst to strike in the past 500 years.
By Sid Perkins -
Earth
Cost of protecting the oceans
Operating an extensive global network of marine parks in which fishing and habitat-stressing activities are restricted would probably be more affordable for governments than continuing to subsidize struggling fisheries at current levels.
By Ben Harder -
Earth
Blueberry Hills: Utah nodules resemble some found on Mars
Analyses of small iron oxide nodules found within certain sandstones of the U.S. Southwest could shed light on how similar spherules may have formed on Mars.
By Sid Perkins -
Agriculture
Coming Soon—Spud Lite
A new variety of baking potato has about 25 percent fewer calories and 30 percent fewer carbohydrates per unit weight than the typical brown-skinned Idaho potato.
By Janet Raloff -
Earth
Newspaper’s Footprint: Environmental toll of all the news that’s fit to print
The environmental impacts of getting a newspaper dropped on your doorstep each morning vastly outweigh those of receiving the same information via a handheld electronic device.
By Sid Perkins -
Earth
Limiting Dead Zones
To limit algal blooms and the development of fishless dead zones in coastal waters, farmers and other sources of nitrate are investigating novel strategies to control nitrate runoff.
By Janet Raloff -
Earth
Geyser Bashing: Distant quake alters timing of eruptions
A powerful earthquake that struck central Alaska on Nov. 3, 2002, changed the eruption schedule of some geysers in Wyoming's Yellowstone National Park, more than 3,100 kilometers away.
By Sid Perkins -
Earth
Killer weather on Mount Everest
An analysis of weather patterns around Mount Everest in May 1996, when eight climbers died, suggests that a sudden drop in barometric pressure may have played a significant role in the deaths.
By Sid Perkins -
Earth
Dead Waters
Coastal dead zones—underwater regions where oxygen concentrations are too low for fish to survive—are mushrooming globally, threatening to transform entire ecosystems.
By Janet Raloff -
Earth
Big Thaw Coming: Climate change may slam Arctic
If the changes in climate predicted for this century come to pass, the people and creatures of the Arctic will face some of the largest challenges.
By Sid Perkins -
Earth
Global Vineyard
Recognizing that continued climate change may leave some renowned grape-growing regions too hot or too dry to support vineyards, growers may turn to new technology and techniques to produce consistently better fruit.
By Sid Perkins -
Earth
A Portrait of Pollution: Nation’s fresh water gets a checkup
Virtually all of America's fresh water is tainted with low concentrations of chemical contaminants, according to a new nationwide study.
By Carrie Lock