Through the U.S. presidential nominating process, voters have offered a muddled view on foreign policy issues but they continue to generate heat on the campaign trail.

One year after the Fukushima nuclear crisis, Japan is facing a dilemma of how to clean up the disaster and how to meet current and future energy needs, says expert Charles D. Ferguson, even as the gl…

G8 members offer a mixed picture on meeting Kyoto Protocol targets. The United States continues to refuse ratification.

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.

The Obama administration sees the Organization of the Islamic Conference as a venue through which to court Muslims globally, but the group’s controversial positions on some issues could pose problems.