State of the rivers: Ruinous?

State of the rivers: Ruinous?

Rivers bring water. They house amazing biodiversity. And they are being polluted, tapped, dammed and diverted at a frightening rate. More »

Pollinator crisis ahead

Pollinator crisis ahead
Pollinators are under threat from diseases and pesticides. They aren’t finding enough to eat. Their colonies are dying. What can we do? More »

Fertilizing the ocean

Fertilizing the ocean

As Earth warms, should we try huge geoengineering projects to cool the climate? Would adding iron to fertilize ocean plants withdraw More »

Bush creates huge Pacific reserves

Bush creates huge Pacific reserves

Three giant new reserves, extend 50 miles out from shore, will protect coral reefs, fish, clams, and other life forms. But how More »

Fuel Faves: Coffee meets diesel!

Fuel Faves: Coffee meets diesel!

Oils in spent coffee grounds are easily converted into biodiesel — a renewable source of transportation energy. Bottoms up for More »

Ecotourism: Is it Working?

Ecotourism: Is it Working?

20 years ago, ecotourism was promoted as a way to save natural systems, and the people who lived in them. Is ecotourism good? More »