Europe's Greenest Town? • 2019 • Our World

100:06

It begins when journalist Craig Leeson, searching for the elusive blue whale, discovers plastic waste in what should be pristine ocean. Craig teams up with free diver Tanya Streeter and an international team of scientists and researchers, and they travel to twenty locations around the world over the next four years to explore the fragile state of our oceans, uncover alarming truths about plastic pollution, and reveal working solutions that can be put into immediate effect.

2016 • Environment

44:54

The Great Lakes region provided geologists with much of the evidence for the frequent ice ages that visited North America. But the lakes may be a rather transient feature of the continent dependent upon the recurring ice ages to maintain their existence.

S1E7 • How the Earth Was Made • 2009 • Environment

67:53

Follows the first 48 hours following the explosion at the nuclear power plant, charting the safety test that led to the disaster, the heroic efforts to prevent a second even worse explosion, and the evacuation of 50,000 people from the nearby city of Pripyat. Featuring contributions from first-hand witnesses, including the chief operator and medical personnel, historians and professors of radiochemistry.

2026 • Environment

6:19

Learn the basic science of climate change in 24 easy steps.

It's Okay To Be Smart • Environment

41:41

Victor Vescovo's team searches for the deepest point of the Southern Ocean.

S1E2 • Expedition: Deep Ocean • 2021 • Environment

13:06

By investigating the tell-tale signs of earthquakes and tsunamis written into the landscape over the last thousand years, Japanese scientists are rewriting the rule books for disaster prevention in the Pacific.

9/10 • Catalyst: Season 1 • 2015 • Environment