Could Reducing Global Dimming Mean a Hotter, Dryer World?
Lamont-Doherty’s Beate Liepert explains the causes and implications of global dimming on NOVA, airing April 18 on the PBS. Check your local listings for stations and schedules. For more information about the global dimming program, visit http://www.pbs.org/nova/sun/. Flash Animation Credit: The Earth Institute at Columbia University Despite concerns over global warming, scientists have discovered something that may have actually limited the impact of greenhouse gases in the atmosphere in recent years by reducing the amount of sunlight reaching the surface of the Earth. So-called “global dimming,” will be the focus of a NOVA special scheduled to air on April 18 and featuring Lamont-Doherty researcher Beate Liepert. In research they published last year in the journal Geophysical Research Letters, a team led by Beate Liepert at the Lamont-Doherty Earth Observatory reported that they found a measurable decline between 1950 and 1990 in the amount of sun reaching the Earth’s surface. The tea
