23 Aug Scientists Are Coming Up With ‘Last Ditch’ Remedies for Climate Change
As talks aimed at slowing global warming drag on, researchers are pushing new ideas that some are calling last-ditch attempts to avert the worst effects of climate change.
Some proposals are uncontroversial, such as using charcoal to lock carbon dioxide into soil or scattering carbon-absorbing gemstones.
Richard Branson, the billionaire chairman of Virgin Group Ltd., has offered a $25 million prize for the best solution in the field known as geoengineering.