Coal to rival oil as dominant energy source by 2017: IEA

Coal will nearly overtake oil as the dominant energy source by 2017, and only a drop in world gas prices could curb the use of the dirtier fossil fuel in the absence of high carbon prices, the International Energy Agency said.

The IEA, the energy agency for developed countries, said earlier this year that without a major shift away from coal, average global temperatures could rise by 6 degrees Celsius by 2050, leading to devastating climate change.

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