Thirty-two energy companies led by Russia's Gazprom account for almost a third of all man-made greenhouse gas emissions if the burning of all the coal, oil and gas they produce is taken into account, a study said on Wednesday.
Islamic State seized full control of the historic city of Palmyra in central Syria on Thursday, just days after it captured a provincial capital in neighboring Iraq, suggesting momentum is building for the ultra-hardline group.
Osama bin Laden was fixated on attacking U.S. targets and pressured al Qaeda groups to heal local rivalries and focus on that cause, according to documents the United States says were seized in his hideout in Pakistan and released on Wednesday.