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Posted: 2017-04-18 20:15:00

Geoengineering has been a topic on the fringe of climate discussions for more than a decade, but it’s been edging ever closer to the mainstream as carbon pollution rises.

It’s slated to take a step closer still later this year, with a group of Harvard scientists planning a small scale experiment. Their test will redirect the sun’s rays back into space as part of a larger research program aimed at understanding the benefits and risks of geoengineering the planet to have a cooler climate.

In the next year, scientists plan to spray reflective particles high in the Earth's stratosphere as part of a new geoengineering experiment.
Credit: NASA Earth Observatory

The scientists are focused not only on the climate but also on the policy realm. The project is pushing the once taboo idea of intentionally altering the climate to the forefront of discussions about how humanity can cope with the increasing risks from climate change.

“Solar radiation management is a topic that looks like adaptation looked like in the 1990s,” Gernot Wagner, an economist at Harvard working on the

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