Earth
- Earth
Lack of spring snowpack bodes ill for many
NASA satellite images released last week confirmed that the northern United States had much less snow cover than normal this spring, following North America's warmest winter on record.
- Earth
Wrong Number: Plastic ingredient spurs chromosomal defects
The primary chemical in some plastics causes female mice to produce eggs with abnormal numbers of chromosomes.
- Earth
Ssshhh! South Pole has a new seismic station
Seismometers recently installed near the South Pole reveal that the area is the quietest spot on the planet for eavesdropping on earthquakes.
- Earth
Dioxin Dumps: Burning exposed trash pollutes soil
The practice of burning refuse in the open in many underdeveloped countries creates prodigious quantities of harmful polychlorinated compounds.
- Earth
Clean Casualties: Everyday chemicals may shift ecosystems
Trace amounts of the chemical concoctions used to battle bacteria in kitchens and bathrooms may kill off algae, an effect that researchers say may have far-reaching consequences.
- Earth
Dust up north
Strong northeasterly winds blowing across coastal regions of southern Alaska recently exposed by melting snow launched massive clouds of dust over the Gulf of Alaska.
- Earth
Undersea Mountain Descent
Join an international expedition in exploring an underwater mountain in the middle of the Atlantic Ocean. Twice-weekly dispatches highlight the scientific team’s findings for the duration of the expedition from Nov. 14 to Dec. 14. Hosted by the Scripps Institution of Oceanography, the expedition’s Web site also includes colorful diagrams illustrating various geological concepts and […]
- Earth
Energy-Saving Stars
This Web site documents progress in a program set up by the U.S. Department of Energy and Environmental Protection Agency to encourage companies to reduce the energy consumed by their products. More than 3,000 companies have participated in efforts to cut emissions of carbon dioxide and lower energy costs for consumers. Site visitors can find […]
- Earth
Composted sewage captures dirt’s lead
Lead-contaminated soil in urban parks, gardens, and schoolyards could be made safer by adding composted organic waste.
- Earth
When do EMFs disturb the heart?
Whether electromagnetic fields can blunt the healthy variability in heart rate may depend on an exposed individual being aroused or stressed during exposure.
- Earth
Methylmercury’s toxic toll
More than 60,000 children are born each year with neurodevelopmental impairments due to their prenatal exposure to methylmercury.
- Earth
China: A mercury megapolluter
China's heavy reliance on coal burning makes it a world leader in mercury air pollution.
