Rathenau Instituut Blog: Is artificial global cooling cheap?
Bit of science: Climate cooling through SRM geoengineering costs less than 5 billion dollars per year
McClellan, Justin; et al. (2012): Cost analysis of stratospheric albedo modification delivery systems
Bickel, James Eric; Lane, Lee (2012): Climate Change: Climate Engineering Research
the guardian: Could an artificial volcano cool the planet by dimming the sun?
the guardian: Bill Gates backs climate scientists lobbying for large-scale geoengineering
scienexx: Geo-Engineering CO2 Air Captureper does not pay of