Earth

Earth

Spread Out: Organic matter scatters carbon nanotubes in water

Although carbon nanotubes usually clump in water, they readily disperse when the water contains natural organic matter.

Earth

Pesticides mimic estrogen in shellfish

Two common water pollutants can function in shellfish as estrogen does, but they have different behavioral effects on two species.

Earth

Sustainable Table

Created by the GrassRoots Action Center for the Environment (GRACE), this Web site aims to help consumers understand problems with the nation’s food supply and offer viable solutions and alternatives. It provides an introduction to the burgeoning sustainable food movement and information about organizations, people, and programs that are trying to change the way people […]

Earth

Dim Harvest: Asian air pollution has limited rice yields

Thick clouds of air pollution over southern Asia and increased concentrations of greenhouse gases in the atmosphere worldwide have reduced rice harvests in India for the past 2 decades.

Earth

Woods to Waters: Wildfires amplify mercury contamination in fish

Forest fires mobilize mercury from the soil and can send the toxic metal into nearby streams and lakes where it accumulates in fish.

Agriculture

Wheat gone wild

Researchers have identified a gene responsible for boosting the protein, iron, and zinc content of some varieties of wild wheat by 10 to 15 percent.

Earth

Lead in the Water: Mapping gets a handle on disinfectant’s danger

Researchers are investigating the link between lead-contaminated water and chloramine, a chemical disinfectant that is increasingly used in municipal water supplies.

Earth

Leaden swan song

Large numbers of trumpeter swans are succumbing to lead poisoning as a result of ingesting old shotgun pellets in areas where use of lead shot has been banned for more than a decade.

Earth

No-stick chemicals can mimic estrogen

Some of the perfluorinated compounds used to impart nonstick properties to fabrics and cookware can not only activate a receptor for sex hormones but also inappropriately feminize fish.

Earth

Sharks, dolphins store pollutants

Florida's top aquatic predators are rapidly accumulating high concentrations of brominated flame retardants and other persistent toxic chemicals.

Earth

Could Prozac muscle out mussels?

Antidepressant drugs may be depressing wild-mussel populations.

Agriculture

Organic Dairying Is on Upswing, But No Panacea

Some small dairy farms are making the switch to organic operations to increase profits and distinguish their products from undifferentiated commodities.