A coalition of grassroots environmentalists are galvanizing around a fossil-fuel project and urging President Barack Obama to oppose it. Sound familiar? It’s not the Keystone XL pipeline, but the parameters of the fight—and the arguments—are awfully similar to the fight that’s been raging in Washington and throughout the country over the proposed pipeline for the last five years. The Sierra Club and 350.org , two advocacy organizations that have been key in rallying opposition to Keystone, helped organize a letter 16 groups sent Tuesday to the White House urging Mr. Obama to oppose exporting natural gas on the basis of global warming and are calling out one proposed project specifically. It’s the first organized letter by environmentalists urging the White House to oppose such an export policy, which Mr. Obama has so far supported. “We were told when the Keystone fight came up, there wasn’t a chance […]