Earth’s Thermostat: Our Solar Furnace and Gas Ceiling

At the Ohio State University Planetarium, Smith Laboratory, Ohio State University, 100 W. 18th Ave., Columbus. The program, part of the Climate Explorations series, discusses the sun as the primary source of energy for Earth’s climate system and the role of the greenhouse effect. Also presented Jan. 27. Information and pre-registration: go.osu.edu/u4J (scroll down) or jentes.1@osu.edu.