Debating global warming policy has moved to the top of agendas worldwide, but some skeptics still question whether action is necessary or possible.

Political volatility among the world’s leading oil producers suggests deeper causes for recent price spikes.

Greenhouse gas trading is now a multibillion-dollar international business and is expected to continue to grow, despite uncertainty about a post-2012 international climate regime.

This publication is now archived. What are the main issues in the debate over CAFTA?The Central American Free Trade Agreement (CAFTA), currently under consideration in the U.S. Congress, would create…

Estimates of the total long-term economic costs of the Iraq and Afghanistan wars vary wildly and remain hotly disputed among experts.