Geoengineering schemes under scrutiny

Geoengineering

“It’s the most serious technical report to date,” says David Keith of the University of Calgary in Alberta, Canada, who has been researching geoengineering for two decades. Keith was an author on the report, which was led by Steve Koonin, now chief scientist for the US Department of Energy, and Jason Blackstock of the International Institute for Applied Systems Analysis in Laxenburg, Austria.