Nathan Myhrvold responds to follow-up questions about his paper that found that the transition to carbon-free energy must begin immediately.
In a challenge to EPA findings that greenhouse gases threaten public health, even a Reagan-appointed judge isn't buying industry arguments that climate science is a hoax.
All the world's countries love to talk piously about the need to address climate change. What happens if someone goes beyond talk to action? If the E.U.'s aviation program is any indication, it ain't pretty.
Here is a video of Rick Santorum lying about the history of clean air in America and specifically Pittsburgh.
The same lawmakers clinging desperately to Keystone won't extend the production tax credit that keeps the burgeoning wind industry alive.
Rick Santorum is way crazy when it comes to environmental issues -- so crazy he makes Newt Gingrich's moon-colony plans sound plausible, and Mitt Romney's climate flip-floppery look presidential.
There's no comprehensive, standardized way for cities to track their carbon pollution, but a new study puts forward a useful model. And it counts not just the CO2 we produce, but the CO2 we consume.
The latest to join the fray are Bill Gates, Richard Branson, and "tar sands magnate Murray Edwards." Just goes to show you what strange bedfellows geoengineering makes.
Big Oil will do anything to avoid coming to terms with the fact that the business models which have made it so profitable directly threaten the Earth's survival, writes Bill McKibben.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.