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Russian secret agents have infiltrated Greenpeace and other campaign groups to co-ordinate the war against fracking, it has been alleged.
After Russia unceremoniously locked 30 Greenpeace activists in jail after a protest at a Gazprom oil rig, it may seem unlikely that Putin and the environmentalists would ever find common ground. But according to the secretary-general of Nato, they have - fracking.
The Kremlin's distaste for shale gas fracking is not down to a keenly-felt concern for its environmental impact. It is pure economics, born from a desire to keep Europe dependent on gas imports from Moscow.