When Canada switched on its Boundary Dam power plant earlier this month, it signaled a new front in the war against climate change. The commercial turbine burns coal, the dirtiest of fossil fuels, but it traps nearly all the resulting carbon dioxide underground before it reaches the atmosphere. Part of this greenhouse gas is pumped into porous, water-bearing underground rock layers. Now, a new study provides the first field evidence that CO2 can be stored safely for a million years in these saline aquifers, assuaging worries that the gas might escape back into the atmosphere.
Posted on: Tue, 14 Oct 2014 20:39:42 +0000
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