Friday, March 21 marks the inaugural World Glacier Day, an international observance established by the United Nations to raise awareness about the rapid retreat of glaciers worldwide.

World Glacier Day: Trekking the Blue Ice of Perito Moreno in Argentina EL CALAFATE, Argentina (AP) — A creak, a thunderous roar, and then the plunge: Argentina’s Perito Moreno Glacier calves ...

EL CALAFATE, Argentina — A creak, a thunderous roar, and then the plunge: Argentina’s Perito Moreno Glacier calves several times a day, as hundreds of visitors strain to see which side it will ...

Argentina’s Perito Moreno Glacier calves several times a day, as hundreds of visitors strain to see which side it will break off and capture the moment on their screens. The event, known as ...

FILE - Tourists walk on Perito Moreno Glacier at Los Glaciares National Park, near El Calafate, Argentina, Nov. 2, 2021. (AP Photo/Natacha Pisarenko, File) 32,933 people played the daily Crossword ...