Blossoming interest in geoengineering research over the last few years has ripened into a deeper consideration of the topic by scientists, policymakers, and the public. This interest has been boosted by a relative lack of action on mitigating climate change.

Richard Anthes suspected something was up when the UCAR Board of Trustees, minus himself, trooped to the stage at the institution’s 50th birthday dinner on 5 October. “When they started showing photos of my childhood, I really knew something was coming.”