Sunscreen for Earth
May 10, 2017
5/10/17 – In what may be the first major test of engineering the Earth to mitigate the effects of climate change, scientists are planning to use a balloon-borne probe to inject water vapor into the stratosphere to deflect away some of the sun’s warming rays. A co-leader of the project recently examined in Issues why such geoengineering experiments are becoming increasingly important and how they should be conducted to maximize scientific rewards and minimize social risks.