Our Rising Seas

Our Rising Seas

31:39 | The present sea level rise is due to human-produced climate change. That accelerating rise is unevenly distributed around the globe, with certain areas much more vulnerable than others.

Keystone XL: Why Pipelines Spark Controversy

Keystone XL: Why Pipelines Spark Controversy

4:53 | Why oil and gas pipelines like the Keystone XL expansion and the Dakota Access Pipeline are so contentious – and how building new pipelines will lock us into a system reliant on fossil fuels for decades to come.

The Last Time the Globe Warmed

The Last Time the Globe Warmed

10:53 | Imagine an enormous, lush rainforest teeming with life…in the Arctic. Well there was a time — and not too long ago — when the world warmed more than any human has ever seen. (So far)

The Nuclear Waste Problem

The Nuclear Waste Problem

11:08 | Used fuel rods will remain radioactive enough to emit a lethal dose for tens or hundreds of thousands of years past their removal. What do you do with them?

Future global warming

Future global warming

2:41 | IPCC report authors rigorously evaluate the latest results from climate models run on supercomputers.