Earth Talk

Dear EarthTalk: Which are the greenest American cities, and why? — D. Hansen, Wichita, Kan.   Which American city is...

Eleven million Americans live in areas where concentrations of perchlorate — a chemical used in the production of rocket fuel,...

CLEAN RINSE: Three steps to a healthier, greener laundry room: Use natural, nontoxic detergents free of harsh chemicals, dyes and...

ON THE PACKAGE: Proposition 37, or the ‘California Right to Know Genetically Engineered Food Act,' defeated by a narrow margin...

GOOD STUFF: New school meal standards hope to sway American children away from unhealthy foods, which have led to 32...

CUT: Deforestation in tropical rainforests — from logging, coffee growing, meat and milk production and other economic activities — adds...

DRINK UP: About half of U.S. drinking water comes from groundwater sources. Regulation and enforcement of industry and agriculture are...

On Sept. 16, 2012 the National Snow and Ice Data Center reported that the extent of sea ice across the...

PLAY BALL: The Natural Resources Defense Council calls the greening of pro sports ‘a cultural shift of historic proportions,' bringing...

EYES ON RACE: Environmentalists are watching several key electoral races around the nation. In Massachusetts, Democrat Elizabeth Warren, who vows...