Dr. Roberts discusses NCAR's work on the Earth Radiation Budget Satellite (ERBS), a project to measure the energy gains the Earth gets from the sun. This research will help assess the greenhouse effect of carbon dioxide and other gases described in Provocations #20 and #5. Walter Orr Roberts info... Show moreDr. Roberts discusses NCAR's work on the Earth Radiation Budget Satellite (ERBS), a project to measure the energy gains the Earth gets from the sun. This research will help assess the greenhouse effect of carbon dioxide and other gases described in Provocations #20 and #5. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or near space, with the aim of creating a forum for discussion. Show less