The challenge of global climate change demands the best information possible. In order to make sound decisions, the public and policymakers need objective, understandable, science-based assessments of this challenge and options for addressing it. Climate Central is an accessible one-stop source for timely, relevant, high-quality climate information through a variety of channels, targeting the media and leaders in business, government, and religion. It operates without partisanship, bias, or lobbying.

I have a story in this week

In October 2005, Wal-Mart CEO Lee Scott started talking about sustainable development. In September 2006, he agreed with Al Gore and stated that a conflict between the environment and the economy is unnecessary. Now, he's even hired green activist Adam Werbach to shepherd the plan. But there are still plenty of skeptics. Is Scott merely greenwashing -- using sustainability to promote his company's interests -- or has Wal-Mart really become a force for environmental good?

Physics & Society, The journal of the 46,000-member American Physical Society, just published

Who would have ever thought that Greenpeace and McDonald's would be collaborating to protect the Amazon rain forest? Or influential environmental groups would be partnering with private equity firms to prevent new coal-fired power plants from coming online in Texas? Or that investors and activists would be sitting across the table from Citi and other leading banks telling them how to tighten their lending criteria for high carbon-emitting projects?

T. Boone Pickens, the legendary wildcatter and corporate raider, has decided that drilling for more oil is not the answer to the nation

Meet The Press: Interview with Al Gore

Former Vice President Al Gore gave a speech in Washington laying out his new approach to the entwined challenges of limiting risks from global warming and instability from rising energy prices and declining supplies of fossil fuels. He calls for the United States to produce all electricity from

"The way to bring gas prices down is to end our dependence on oil and use the renewable sources that can give us the equivalent of $1 a gallon gasoline," the former vice president and Nobel laureate said. Read Gore's full speech

Let