Planet Ark April 15, 2008 Melting Mountains A "Time Bomb" For Water Shortages AUSTRIA: April 15, 2008 VIENNA - Glaciers and mountain snow are melting earlier in the year than usual, meaning the water has already gone when millions of people need it during the summer when rainfall is lower, scientists warned on Monday. "This is just a time bomb," said hydrologist Wouter Buytaert at a meeting of geoscientists in Vienna.