Global warming "can be reversed", scientists claim
Hi-tech new bio-energy plants could "reverse" global warming by pumping carbon dioxide into old gas wells - lowering temperatures by 0.6°C per century, according to a study.There are already 16 projects around the world working on the technology - aiming to generate power for local homes by burning vegetation such as wood or straw and then burying the carbon dioxide it produces deep underground. "It's like drilling for natural gas, but in reverse," says Niclas Mattson of Chalmers University, Sweden, co-author of the study.
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