Arctic - Life in the Deep Freeze • episode "3/8" • Human Planet

58:44

A look at what is being done to preserve the South Pacific and its wildlife.

South Pacific • Environment

58:36

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

Human Planet • Environment

46:59

Scientists deployed to Antarctica are accustomed to frigid temperatures, but few have experienced the condition one storm that is sweeping over Scott Base and the Ross Ice Shelf. Scott Base shuts down all missions and flights to and from western Antarctica have been cancelled; leaving them more isolated from the outside world than ever.

2017 • Continent 7: Antarctica • Environment

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

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.

2016 • Treasures of the Earth • Environment

58:18

Dr Helen Czerski delves into the Horizon archive to chart the transformation of a little-known theory into one of the greatest scientific undertakings in history.

Horizon • Environment