William Chandler, senior policy analyst for energy and climate at the Carnegie Endowment for International Peace, says that emissions-trading programs have achieved mixed results and should be readju…

The emerging BRICS economies agree that the West should hold less sway in the global economy. But their leaders, despite regular summits, have failed to articulate a coherent vision because of diverg…

Iraq’s campaign to liberate Mosul from the Islamic State and restore the Iraqi government’s authority requires coordination among numerous armed groups with competing interests.

Philip K. Verleger, a well-known expert on the economics of oil, says that the current price of oil, which has dropped below $70 a barrel, has probably peaked for the moment. Yet he warns that any pr…