By 2012, there should be some 10 million fewer vehicles on American roadways than there are today—a decline that dwarfs all previous adjustments including those during the two OPEC oil shocks.

Energy Secretary Steven Chu recently suggested that painting roofs white would aid in slowing down global warming.

Can we stick a price tag on nature? And even if we can—does that mean we should? In recent years, ecological economists have argued that people will never value natural resources properly unless that value can be expressed in terms of dollars and...

A number of unresolved issues—China, Kashmir, etc.—will be swirling around Indian Prime Minister Manmohan Singh’s first state visit this Monday, but on none are the two hesitant allies more at odds than the conditions for a global climate treaty. Much...

Sometime last year, I remember watching a video of Barack Obama addressing his campaign staff in Chicago. The talk took place after Obama had won the Democratic primary. It was a pep talk, and the theme was, “Now it’s really serious, we have to win.”...

Is climate change gender-neutral? Not according to the U.N. Population Fund, which earlier today released a report arguing that women suffer disproportionately from the impacts of global warming. Especially in developing countries, they can't flee...

One of the uncertainties in predicting how the climate will respond to all the greenhouse gases we're belching up into the atmosphere is what will happen with the world's carbon sinks. Trees, ocean, and even the soil all absorb a huge fraction of the...