Arctic Ocean • 2021 • episode "S1E5" • Expedition: Deep Ocean

52:51

Their beauty has captivated us for millennia. Their cost can be extraordinary–some are even considered priceless. Precious gems like diamonds, rubies, emeralds, opal, and jade are the ultimate treasures of the earth, and each one is made from a specific–and often torturous–recipe of chemistry, pressure, and heat. The secrets to their sparkle, color, and even strength lie deep inside the gems themselves, but could they also hold clues to one of the most enduring mysteries in the field of geology? From Tiffany’s workshop in New York to the sapphire mines of Sri Lanka, from North Carolina’s emerald fields to the jade-laden Forbidden City of China.

Part 1 • Treasures of the Earth • 2016 • 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

2:14

How can global warming of less than 1 degree Celsius drive extreme weather? You might need to look beneath the surface (of the ocean) for the answer.

MinuteEarth • 2015 • Environment

59:14

Why do animals perfectly adapted to island life give up the ghost when new species arrive?

S1E5 • South Pacific • Environment

51:04

The picturesque Lake Constance region is characterized by intensive agriculture - with dramatic results for the bird life. Since 2003, the ornithologist Professor Peter Berthold has been creating new habitats for birds - alongside cultivated landscapes.

S1E5 • Paradise Preserved • 2019 • Environment

57:50

Prince William, Sir David Attenborough and astronaut Naoko Yamazaki hear the personal stories of people who are directly affected by air pollution and look at possible solutions.

S1E3 • The Earthshot Prize Repairing Our Planet • 2021 • Environment