65 - CV-90 - Swedish fire from ice

Britain is trying to build a new tank. But they're doing it with a gun that entered service in the 1970s and re-tread hulls that ended production a quarter century ago. And they're building fewer than 150, which for a completely orphan fleet is a "courageous" approach. 

With over 8,000 produced the T-70 should not be an obscure tank. With an extremely unusual profile it should be easy to ID. And yet it's not exactly at the top of anyone's list, but we are going to try and shed some light on this Soviet light tank. 

The US military carved a tiny city into the Greenland ice sheet. What they found, and lost, and found again, and what it tells us about climate change. Guests: Paul Bierman, geoscientist at the University of Vermont and author of When The Ice Is Gone; Richard Alley, geoscientist ...  Show more

The Arctic is warming at an alarming rate, leading to dramatic declines in sea ice. A UK-based start-up, Real Ice, is tackling this crisis by developing innovative technology to thicken Arctic sea ice. But can this ambitious project succeed, and is it financially sustainable? Ski ...  Show more

The year-round sea ice in the Arctic is melting and has shrunk by nearly 40 percent over the past four decades. Geoengineering companies such as Real Ice are betting big on refreezing it. That may sound ridiculous, impractical or risky—but proponents say we have to try. The U.K. ...  Show more

Chief multimedia editor Jeffery DelViscio ventured to Greenland for a month to learn from the scientists studying the country’s ice sheet. He speaks with host Rachel Feltman about his time in the field and his takeaways from conversations with climate scientists. This story was s ...  Show more