Fire and ice: Climate change and Iceland’s vo...

Iran and the U.S. agree to stand down after fresh, tit-for-tat attacks threatened to unravel the ceasefire. America turns 250 on July 4th, but some people aren’t in the mood to celebrate. Latino voters are up for grabs but both parties are struggling to connect with them. And the ...  Show more

A Saudi Aramco helicopter crash has killed 14 nationals, the state news agency says. Venezuelans decry shortages of heavy equipment and a limited official presence as the earthquake death toll tops 1,400. Iran and the U.S. continue their attacks in the Gulf, fraying an increasing ...  Show more

Over 4.5 billion years, Earth's climate has transformed tremendously. Before our more temperate recent past, the planet swung from one extreme to another--from a greenhouse world of sweltering temperatures and high sea levels to a "snowball earth" in which glaciers reached the eq ...  Show more

The town of Longyearbyen in the high Arctic is the world's northernmost settlement. Here, climate change is happening fast. It is clearly seen and sensed by the locals; with higher temperatures, more rain and permafrost thaw. At the same time, the town is shifting from state-cont ...  Show more

But Why went somewhere really cool - literally - and we’re taking you along! We visited Sólheimajökull, a glacier in southern Iceland and then talked with University of Iceland glaciologist Guðfinna Aðalgeirsdóttir to discover how glaciers are formed, why they can be ...

Les glaciers se forment à partir de la neige accumulée sur plusieurs siècles, voire millénaires, et suivent un processus complexe qui implique plusieurs étapes. Voici une explication détaillée de la formation des glaciers :

1. Accumulation de la neige < ...