title: Habitable planets: what are we learning from Kepler and ground-based searches?
authors.affiliation: Department of Geosciences, The Pennsylvania State University, University Park, PA 16801, USA. kasting@essc.psu.edu
authors.forename: James F
authors.initials: JF
authors.lastname: Kasting
mesh_terms: D018534:Earth, Planet; D018559:Exobiology / Q000295:instrumentation*; D005118:Extraterrestrial Environment; D016083:Planets