The authoritative guide to ensuring science and technology make life on Earth better, not worse.


Ken Caldeira

An atmospheric scientist at Carnegie Institution’s Department of Global Ecology at Stanford University, Caldeira runs a laboratory that investigates Earth’s carbon cycle, oceanic carbon sequestration and ocean acidification, and the intended and unintended consequences of geoengineering. Formerly a research physicist at Lawrence Livermore National Laboratory, Caldeira moderates the geoengineering discussion group on Google.