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Marriage requirement #1: Regrow the rainforest

Some couples get happily engaged in environmental issues by ditching wasteful wedding favors, recycling 400,000 cans to pay for their nuptials, or growing all the food for their reception. But that's all optional. Indonesia is requiring that newlyweds go out on a limb.

Prop 23 threatens Silicon Valley's newest solar assembly line

American solar companies are building factories in California even though it would be far cheaper to make photovoltaic panels in China. Why? "The ecosystem is here," explains green tech investor Vinod Khosla. But that balmy business climate will change if California voters pass Prop 23 in November.

Mosque near Ground Zero will be greenest in the nation

The Cordoba House in lower Manhattan will be the nation's first "green" LEED-certified mosque, Ibrahim Abdul-Matin reports at Daily Beast.

The smart bike that pedals and twitters across America

Humans think they've got the market cornered on electronic communication, but a twittle bird told us that's no longer the case. See what we mean.

Dust Bowl 2: Drought detective predicts drier future for American Southwest

If you’re one of the tens of millions of people who live in the southwestern United States, get ready for drier weather. That’s the message from Richard Seager, a climate scientist at Columbia University’s Lamont-Doherty Earth Observa

New Orleans steps up its local-food game

New Orleans has the sense of a wild laboratory, with free-wheeling discussions about food security and plenty of action. It's partly because of Katrina's ruin, but it's also just part of the culture, reports David Hanson for Feeding the City.

School Nutrition Association steps up for its 'patron,' the dairy industry

The School Nutrition Association exists to "advance good nutrition for all children." So why is it promoting sugary milk drinks in school cafeterias?

Will BP and the White House become strange bedfellows in the Gulf?

Remember that $20 billion escrow account BP is creating to cover damages in the Gulf of Mexico? It's raising hackles with environmentalists.

Climate experts agree: Global warming caused Russian heat wave

As Russia chokes from a heat wave of unprecedented ferocity, president Dmitry Medvedev has strengthened his call for the world?s leaders to take action to fight global warming pollution.

The two biggest (non-CO2) threats to coal power from the EPA

EPA is working furiously on clean-air rules, and coal-dominated utilities are terrified. Some of the oldest, dirtiest coal plants will be shut down.