WITH the disastrous oil spill in the Gulf, talk has once again turned to clean energy. What few people appreciate is that the demand for everything from solar panels to energy-efficient light bulbs is already booming. Worldwide, $162 billion was spent in new clean-tech investments in 2009 alone.

• May 7, 2010

President Obama is preparing to revive a civilian nuclear cooperation agreement with Moscow that his predecessor shelved two years ago in protest of Russia’s war with Georgia, an American ally, administration officials said Thursday.

• May 7, 2010

Millions of voters across the United Kingdom are today having their say on who they think should lead the country.

• May 6, 2010

Countries around the globe are racing to lock down energy supplies to ensure economic security. The geopolitical implications are huge

• May 6, 2010

Brazil has advanced a proposal to unblock the Iranian nuclear dossier that is in fact the common view among the BRIC countries (Brazil, Russia, India, China), the emerging geopolitical counter-power to United States hegemony.

• May 6, 2010

There's only one good bet in Britain's razor-edge election: It's likely to reshape the country's politics in historic ways

• May 6, 2010

Russia's proposal to combine its gas export monopoly Gazprom with the Ukrainian state energy company was part of a strategy to lock in assets while Europe focused on Greece, Alexander Rahr, a Russia expert at the German council on foreign relations, said on Tuesday.

• May 6, 2010

The world's five recognized nuclear-weapons powers on Wednesday reaffirmed the goal of a Middle East free of nuclear weapons, a long-dormant Arab idea that's come back to life at this month's nonproliferation treaty conference.

• May 6, 2010