1. GREENHOUSE WARMING BY NITROUS OXIDE AND METHANE IN THE PROTEROZOIC EON Open Access Author: Roberson, April Lynne Title: GREENHOUSE WARMING BY NITROUS OXIDE AND METHANE IN THE PROTEROZOIC EON Graduate Program: Geosciences Keywords: ProterozoicNitrous OxideMethane File: Download RobersonThesisUpdated.pdf Committee Members: James Kasting, Thesis Advisor/Co-AdvisorJames Kasting, Thesis Advisor/Co-Advisor