Just how quickly will billions of tons of carbon locked up in the Arctic's melting permafrost be released into the atmosphere? Scientists in the Arctic say finding out could be a matter of survival.
Host Heather Goldstein from WCAI's Living Lab Radio speaks with Amy Martin about her climate change reporting for the Threshold Podcast.
Everyone's heard of Vikings—their daring North Atlantic voyages, their mysterious runes. But there's another ancient culture in Arctic Scandinavia that's much older, and just as fascinating—the Sámi.
Three years into the migration crisis, Spain has overtaken Italy as the main entry point for African migrants, in part because of its more welcoming stance toward immigrants.
The legacy of Northern Ireland's Troubles have left harsh memories and intergenerational trauma among its communities, often depicted by murals and the remaining interface areas.
What does an 8-ton concrete sphere tell us about the Arctic and our place in a changing world?
An eight-ton concrete ball and a 32,000-year-old needle collection. What's all this got to do with the Arctic? Find out on this episode of Threshold.
All across the Arctic, frozen soil is thawing out. A lot of stuff is buried there—plants and animals that lived more than 10,000 years ago. What happens when a Paleolithic bison bone starts to decompose for the first time?
The fight for clean air has emerged from numerous directions. The law, in particular, has proven to be a necessary and sometimes surprising tool.
Britain sought to retain its imperial clout as the Empire crumbled after the Second World War by seeking to dominate the arms industry. This is a major investigation of the contemporary results.
Daphne Caruana Galizia was Malta’s most dogged and controversial journalist. Last year she was murdered. Alexander Clapp travelled to the island to find out why.
Callum Macrae discusses how his new film examines the search for justice over British soldiers’ killing of 10 unarmed people in Belfast, months before they shot dead 13 in Derry.