Stories by Owen B. Toon

Polar Stratospheric Clouds and Ozone Depletion

Clouds rarely form in the dry, Antarctic stratosphere, but when they do, they chemically conspire with chlorofluorocarbons to create the "ozone hole" that opens up every spring

June 1, 1991 — Owen B. Toon and Richard P. Turco

Space

How Climate Evolved on the Terrestrial Planets

Planets with temperate, earthlike climates were once thought to be rare in our galaxy. Mathematical models now suggest that if planets do exist outside the solar system, many of them might be habitable...

February 1, 1988 — James F. Kasting, Owen B. Toon and James B. Pollack