Six articles this month in an Environmental Research Letters focus issue on geoengineering. Thoughtful pieces on a range of issues, particularly including questions of risk and ethics and the idea of ecological analogues of geoengineering.
Modification of cirrus clouds to reduce global warming
David L Mitchell and William Finnegan
Climate engineering and the risk of rapid climate change
Andrew Ross and H Damon Matthews
Researching geoengineering: should not or could not?
Of mongooses and mitigation: ecological analogues to geoengineering
H Damon Matthews and Sarah E Turner
Toward ethical norms and institutions for climate engineering research
David R Morrow, Robert E Kopp and Michael Oppenheimer
On the possible use of geoengineering to moderate specific climate change impacts
Michael C MacCracken