NEW YORK, Aug. 4 -- Columbia University Lamont-Doherty Earth Observatory issued the following news: * * * Algal Blooms: A 'Dark' Threat to Greenland's Cooling Capabilities Recent studies show that the deposition of nutrients on glaciers and ice sheets is causing rapid algal growth, reducing glacier albedo and warming the planet. By Madeline Lee In Greenland, where the island's ice sheet is melting around six times faster than it was in the 1990s, billions of tons of ice are already disappearing each year. Two new studies published in Janua more PR