(CNN) — In order to stop dangerous climate change we may be forced to construct giant solar shades and cover great swathes of land with artificial trees that suck up carbon dioxide.
These are the conclusions of a year-long scientific survey of “geo-engineering” technologies by the UK’s Royal Academy published earlier this year. From fake trees to cloud making ships, the ideas are designed to provide planet-scale alterations to our climate if efforts to cut emissions fail.
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But while the Royal Society believes some of the technologies show promise, such as firing tiny reflective particles into the atmosphere to reflect sunlight, the report sounds a strong note of caution about the potential unintended consequences of geo-engineering.
Its authors are concerned that excitement about new technology might distract from efforts to cut emissions.
“Geo-engineering is not a magic bullet and nothing we now know about any of these technologies suggests that they will be able to cancel out emissions in the near future,” Professor John Shepherd, an oceanographer at Southampton University, and chair of the Royal Society working group, told CNN.
“We are not arguing for the development of these technologies, but for research that will enable us to make a sensible decision about them in the future.
“We were concerned that, particularly in the run up to Copenhagen in December, some of the hype about geo-engineering could have a negative effect on efforts to reduce emissions, which is still absolutely critical.”
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John Holdren speaks on Geoengineering. Notice the book Ecoscience on the shelf.
Friday, July 17th, 2009Posted in All Video, Climate Change Commentary, Geoengineering, Global Warming | No Comments »