Reuters: India still plans to double coal output by 2020 and rely on the resource for decades afterwards, a senior official said on Monday, days after rich and poor countries agreed in Paris to curb carbon emissions blamed for global warming. India, the world's third-largest carbon emitter, is dependant on coal for about two-thirds of its energy needs and has pledged to mine more of the fuel to power its resource-hungry economy while also promising to increase clean energy generation. "The environment is...