title: Faint young Sun paradox remains.
authors.affiliation: Space Science and Astrobiology Division, NASA Ames Research Center, MS 245-3, Moffett Field, California 94035, USA. cgoldbla@uw.edu
authors.forename: Colin
authors.initials: C
authors.lastname: Goldblatt
authors.forename: Kevin J
authors.initials: KJ
authors.lastname: Zahnle
mesh_terms: D002245:Carbon Dioxide; D002980:Climate; D018534:Earth, Planet; D017752:Greenhouse Effect; D016082:Solar System; D013472:Sunlight; D013696:Temperature
chemical_list: D002245:Carbon Dioxide