09 Sep '11, 4pm

Switching To Natural Gas From Coal Will Reduce Global Warming Much Less Than Hoped

Switching To Natural Gas From Coal Will Reduce Global Warming Much Less Than Hoped

[NCAR's Tom Wigley]'s computer simulations indicate that a worldwide, partial shift from coal to natural gas would slightly accelerate climate change through at least 2050, even if no methane leaked from natural gas operations, and through as late as 2140 if there were substantial leaks [10% leakage]. After that, the greater reliance on natural gas would begin to slow down the increase in global average temperature, but only by a few tenths of a degree. "Relying more on natural gas would reduce emissions of carbon dioxide, but it would do little to help solve the climate problem," says Wigley, who is also an adjunct professor at the University of Adelaide in Australia. "It would be many decades before it would slow down global warming at all, and even then it would just be making a difference around the edges." (Science Daily )

Full article: http://www.treehugger.com/files/2011/09/switching-natural...

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