Earth
- Earth
Slippin’ Slide: Glaciers surge after ice shelf collapses
Five of the six large glaciers that once fed into Antarctica's Larsen A ice shelf have sped up significantly since that floating ice mass collapsed and drifted away in January 1995.
- Earth
Greenland’s ice is thinner at the margins
The central portion of Greenland's ice sheet is, on the whole, not getting any thinner, but most margins of the ice sheet are thinning substantially and contributing to rising sea levels.
- Earth
Ancient Taint: Likely source of old dioxins identified
Lab experiments show that the burning of peat from coastal areas of Scotland could be responsible for the enigmatic concentrations of dioxins sometimes found in pre-20th-century soils.
- Earth
Sexual Hang-Up: Fish hormones change when oxygen is scarce
Oxygen deprivation—an escalating problem in freshwater ecosystems worldwide—tampers with sex hormones in carp and might underlie the decline in some fish and amphibian species.
- Earth
A Safe Solution
A home-based technique for treating microbe-contaminated water with chlorine solution could save millions of lives in countries that are currently unable to provide residents with safe drinking water.
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- Earth
If It’s Wet in Malaysia . . . : Afghan droughts linked to rain in Indian Ocean
An analysis of nearly 2 decades of weather patterns suggests a link between an abundance of precipitation in the eastern Indian Ocean and a lack of rain in portions of southwestern Asia.
- Earth
Proof of Burden
Two teams of scientists report that the blood and urine of most Americans contain toxic cocktails of metals, artificial hormones, and chemical ingredients of plastics, flame retardants, pesticides, herbicides, and disinfectants.
- Earth
Dirty Story: Farming has increased flow of soil onto reef
Agricultural practices that early European settlers brought to eastern Australia sped the pace at which soil washes out to sea and settles over the Great Barrier Reef.
- Earth
9/11 ash, and more, found in river muck
Sediment cores pulled from the Hudson River near the World Trade Center site contain a thin layer of metal-rich ash and pulverized debris.
- Agriculture
Bt Cotton: Yields up in India; pests low in Arizona
Two cotton-growing centers that could hardly differ more—small farms in India and industrial fields in Arizona—provide case studies that show the bright side of a widespread genetically engineered crop.
