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Why poor nations would lose in a biotech war on hunger

Banned PCBs still threaten marine life

Stalking wild game in a rugged landscape brings one environmentalist closer to nature

Deceptive advertising from corporate polluters

Karl Linn cultivates community in his urban gardens

On its way to becoming the nation's largest grassroots conservation organization, the Sierra Club made its mark in the annals of mountaineering

Texas-style laws trust polluting companies to police themselves

Pity the poor abalone, too tasty for its own good

The effort to preserve California's Sierra Nevada won a major victory

What happens when a protected predator eats an endangered species?

Cure-all lizards! Bulldozer ants! Voracious spiders! A high school biology class finds high drama among the creepy-crawlies

Sierra Club public-lands lobbying team supports grassroots activists

Paddling into Lake Superior's past

Today's movement to restore wild places began more than half a century ago in a shack in rural Wisconsin.

Earth's best friend, David Brower, 1912-2000

The pleasures of Louisiana's Atchafalaya River Basin urge you to draw, dance, or just revel in the natural world. It's easy to forget there's a water war going on.