The latest round of airstrikes targeted one vulnerable part of the terror group's illicit empire. But that doesn't mean ISIS oil fields will be bombed next.
U.S. officials are increasingly banging the drum for greater action on climate change. Is the rest of the world listening?
Russia and China are close to another mammoth natural gas deal that could reshape the world's energy map.
Self-determination doesn't necessarily mean freedom. Can an independent Scotland achieve both?
Geopolitical crises abound, but oil producers are still pumping -- and pumping more than the world needs.