When a gamma ray burst from two colliding stars hits the atmosphere, the deadly radiation delivers agonizing death and immediately wipes out half the planet. How will the last remaining humans survive?
Off Australia's northeast coast lies a wonder of the world, a living structure so big it can be seen from space, more intricate and complex than any city, and so diverse it hosts a third of all fish species in Australia. The Great Barrier Reef as we know it -- 8,000 years old and home to thousands of marine species -- is dying in our lifetime.
Venture into the danger zone of two volcanic craters posing widely divergent threats. Hawaii's Kilauea is a shield volcano that threatens communities with its slow-but-relentless lava flow, while the Sumatran Sinabung is a stratovolcano delivering carnage via a sudden and explosive surge of superheated gas and rock.
Volcanologist Tom Pfeiffer and his team are embarking on their most daring adventure yet--visiting and photographing two remote Indonesian volcanoes, among the 20 most active in the world. Join a tense journey into the heart of one of nature's most dramatic and unpredictable natural phenomena, one that will test this experienced crew of scientists and native guides.
The Mt. Erebus team has trouble landing at one of their sites and when they do their gear glitches from the cold. Meanwhile, the USS Coast Guard gets stranded from engine failure. Another team struggles to protect their 80,000 drone from a crash landing due to extreme wind. The Ross Ice Shelf Team digs themselves out after enduring a major storm and heads toward their target research spot.
Stacey Dooley travels the world to uncover the hidden costs of the addiction to fast fashion. She sees for herself how toxic chemicals released by the garment industry pollute waterways that millions of people rely on. She witnesses the former Aral Sea, once one of the largest bodies of fresh water, now reduced almost entirely to dust. These are shocking discoveries likely to make you think twice about whether you really need those new clothes.