Extreme Weather • 2015 • episode "7/10" • Catalyst: Season 1

59:00

Film which explores the extraordinary ways in which people survive at extreme altitudes.

Human Planet • Environment

58:36

Human Planet meets people for whom rivers can be both a risk to life and a lifeline.

Human Planet • Environment

58:57

Iain looks at the big picture of Earth's place in space. It's taken four and a half billions years and several great catastrophes to turn it from a barren rock to the unique planet we know today.

Earth: The Power of the Planet • Environment

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

21:16

Explore what drives the strange science behind places like Canada's Bay of Fundy-where water levels rise as much as 50 feet during high tide, and Alaska's Turnagain Arm, where 10-foot tall "bore waves" routinely wash in from the sea.

2013 • Secrets of the Earth • Environment

53:07

Can emerging technology defeat global warming? The United States has invested tens of billions of dollars in clean energy projects as our leaders try to save our crumbling economy and our poisoned planet in one bold, green stroke. Are we finally on the brink of a green-energy "power surge," or is it all a case of too little, too late?

Environment