VI,GRAPII 1 BASIS FOR THE GREENHOUSE EFFECT I. EARTH RECEIVES VISIBLE & UV RADIATION FROTI SUN A. Some Reflected lnto Space B. Some Absorbed By Atmosphere C. II. Most Absorbed At Earth's Surface EARTH EM|TS INFRARED RADIATION TOWAFD SPACE A. Carbon Dioxide And Other Atmospheric Constituents Absorb Part Ol The Infrared Radiation B. Absorbed Energy Warms The Atmosphere lll. THEBEFORE HIGHER COr CONCENTRATIONS wARtl THE tOwER ATMOSPHEFE