A possible transfer of political power in the congressional midterm elections could doom short-term chances for a comprehensive climate bill. But experts say climate issues could still be addressed t…

Financial pressures have weakened al-Qaeda’s tactical abilities, but analysts say affiliated networks are finding new ways to raise and spend money, complicating efforts to squeeze a savvy foe.

Non-OPEC oil producers, which turn out most of the world’s oil, are operating near capacity.

The division of Iraq’s oil wealth is an important obstacle to a power-sharing deal. At issue is whether revenues should be regionally or centrally controlled.

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