More Mountain Glacier Collapses Feared as Heat Waves Engulf the Northern Hemisphere

The Marmolada Glacier in the Alps of southern Italy, where 11 people died on July 3 when part of the ice collapsed into a massive avalanche, may crumble even more before Europe’s brutally hot summer ends.  Glaciologists are tracking a new crack, about 650 feet long and more than 100 feet wide, that ha...