Climates of the United States

We're entering the Earth's sixth era of extinction -- and it's the first time humans are to blame. CNN introduces you to the key species and people...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Thule, Greenland, also called Qaanaaqis, one of the northernmost towns in the world. As the climate warms and the ice caps begin to melt, the gentle...

Wars of the future will be fought over water as they are over oil today, as the source of human survival enters the global marketplace and political...

Aftermath: Population Zero investigates what would happen if every single person on Earth simply disappeared. Explore the interactive world without...

A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing...

Paris to Pittsburgh brings to life the impassioned efforts of individuals who are battling the most severe threats of climate change in their own...

Amol Rajan talks to 19-year old Greta Thunberg, the climate activist who has become the unlikely voice of a global youth. Thunberg isn't a politician...

A black-and-white visual meditation of wilderness and the elements. Wildlife filmmaker Richard Sidey returns to the triptych format for a cinematic...

This film illustrates how a revolution in one of the most basic of all human enterprises – the making of maps – is shedding new light on...

There's No Tomorrow is a half-hour animated documentary about resource depletion, energy and the impossibility of infinite growth on a finite planet.

Beautifully filmed by New Zealand nature photographer Richard Sidey over the past decade around the polar regions, Speechless: The Polar Realm is a...