Rivers - Friend and Foe • episode "S1E7" • Human Planet

52:51

The enduring luster of gold, the conductivity of copper, the strength of steel—the special properties of metals have reshaped societies and defined eras; they have such an important role in human history that entire ages have been named after them. But what gives metals their astounding characteristics? From the perfect ring of a bronze bell to the awe-striking steel construction of Beijing’s “Bird’s Nest” stadium, how have humans perfected metalworking? And how have metals enabled our modern hi-tech world? Explore the science of metals with chemists and engineers as they literally test the mettle of metals and investigate how these remarkable materials have ushered humanity from the Stone Age to the stars.

Part 2 • Treasures of the Earth • 2016 • Environment

4:00

Few places on Earth remain largely untouched and uninhabited by humans, but such spots exist in the middle of the Atlantic Ocean. Welcome to the Mid-Atlantic Ridge, a vast chain of volcanic mountains that have surfaced as tiny, isolated islands thousands of miles from any mainland. These worlds serve as both playgrounds and sanctuaries, where some species struggle and others thrive. Discover the secrets of these little-known oases as we explore eight islands, from the Arctic to the Antarctic.

2016 • Environment

86:56

What would happen if, tomorrow, every single person on Earth simply disappeared? Not dead, simply gone, just like that. A world without people, where city streets are still populated by cars, but no drivers. A world where there is no one to fix bridges or repair broken windows…

2008 • Environment

46:12

A look at scientists' claims about human contribution to global warming, and how statistician Leonard Tippet's investigation into snapping cotton threads helps predict extreme weather.

S1E2 • Climate Change by the Numbers • 2016 • Environment

44:08

On April 20th, 2010, at 9:49 PM, the Deepwater Horizon oil rig explodes. For 87 days, more than 200 million gallons of crude oil pump into the Gulf of Mexico, leading to long-term effects on the environment, the local economy, and the health of tens of thousands. Now, in-depth analysis of the catastrophe, investigative reports, and personal testimony from oil workers and residents of the Gulf Coast reveal ten critical mistakes that ultimately led to the greatest environmental disaster in U.S. history.

S1E4 • Ten Steps to Disaster • 2021 • Environment

73:59

Stabilizing our planet's life-support system won't be easy — but it can be done. And our survival depends upon it.

2021 • Environment