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Scientist pushing the case for “climate engineering”

Aug 01, 2017, 8:24 AM EDT
Harvard professor David Keith believes that climate engineering is our real chance to contain climate change.
(Source: Eric Golub/flickr)

David Keith, one of the first few scientists to have proposed the idea of geoengineering to take on climate change, is set to launch high-altitude balloons that would spray certain chemicals in the Earth’s stratosphere reflecting heat back into space and offsetting soaring temperatures.

Keith, a professor of applied physics and public policy at Harvard University, believes that climate engineering is our real chance to contain climate change and that can be tested only by open-access and transparent experiments, notes MIT Technology Review.

Last 5-6 years have seen a few sporadic, uncoordinated geoengineering experiments, for example, China’s attempt to seed clouds with chemicals to boost rainfall and a scientist’s effort to suck atmospheric CO2 by growing plankton blooms through 120 metric tons of iron oxide dumped into the Pacific Ocean, writes Slate

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