Homo sapiens — How Wise Are We? • 2021 • Thought Café

49:05

We are all seeing rather less of the Sun. Scientists looking at five decades of sunlight measurements have reached the disturbing conclusion that the amount of solar energy reaching the Earth's surface has been gradually falling. Paradoxically, the decline in sunlight may mean that global warming is a far greater threat to society than previously thought.

Environment

57:14

Six months after the explosions at the Fukushima nuclear plant and the release of radiation there, Professor Jim Al-Khalili sets out to discover whether nuclear power is safe. He begins in Japan, where he meets some of the tens of thousands of people who have been evacuated from the exclusion zone. He travels to an abandoned village just outside the zone to witness a nuclear clean-up operation.

Environment

44:00

From desalination plants to the "Billion Oyster Project," witness humankind's efforts to meet our freshwater needs.

S1E3 • Age of Humans • 2021 • Environment

59:00

With 2021 set to be the hottest year on record, millions of people around the world will have their health, livelihoods, and lives endangered by high temperatures. This documentary explores the devastating impact extreme heat has across the globe, and tells the human stories behind climate change, from water shortages in impoverished areas, to people being forced from their homes to escape life-threatening temperatures.

This World • 2021 • Environment

47:20

As climate change begins to feel like an impossible challenge, this documentary tells the story of the first man-made threat to the planet's environment - the hole in the ozone layer - and how the world managed to fix it. The scientists and politicians at the heart of the story reveal how they spotted the giant hole in the stratosphere and, against all odds, persuaded Ronald Reagan and Margaret Thatcher - two of the most unlikely eco-warriors in history - to take action.

2018 • Environment

44:54

The Hawaiian Islands are a study in contradictions. The fastest growing islands on earth are also the fastest disappearing. Made of one of the hardest minerals, it crumbles at a touch. The world's most active volcano is nowhere near the typical volcanic regions. Geologists strive to understand these mysteries.

S1E12 • How the Earth Was Made • 2009 • Environment