LIKE GLACIERS EVERYWHERE, THIS ONE IN THE SWISS ALPS IS MELTING FAST. THE BLUE SHOWS IT AS IT WAS IN 1989 (L) AND IN 2017 (R). PHOTOS BY NASA
Thursday, 15 August 2013
Why This Year's Gulf Dead Zone Is Twice As Big As Last Year's
First, the good news: The annual "dead zone" that smothers much of the northern Gulf of Mexico—caused by an oxygen-sucking algae bloom mostly fed by Midwestern farm runoff—is smaller this year than…Now, for the bad news...Details here.