Environmental Science


New! Decline of Birds 7 min.

As the climate crisis worsens, so does pressure on wildlife. The number of birds in North America has declined by 3 billion in the last 50 years. In this NewsHour program, Brooke Bateman, director of climate science at the National Audubon Society, joins Ali Rogin to discuss why and what can be done to preserve and renew the populations of bird species at risk of extinction.

Formats: Streaming Copyright Date: 2023

New! Chasing Carbon Zero 54 min.

The U.S. recently set an ambitious climate change goal: net-zero carbon emissions by 2050. And to achieve that, slash emissions in half by 2030. Is it possible? And what kind of technology would it take? Meet scientists and engineers who are convinced we can achieve carbon zero in time to avoid the biggest impacts of climate change.

Formats: Streaming Copyright Date: 2023

New! Saving the Right Whale 54 min.

North Atlantic right whales are among the planet’s most critically endangered large ocean mammals. With fewer than 350 remaining as of 2023, they could be extinct within 20 years. But teams of marine biologists and whale rescuers are determined to help save the species. Follow their efforts and get a glimpse into the lives of these giants of the sea and their prospects for survival.

Formats: Streaming Copyright Date: 2023

Ozone Repair 6 min.

In one of the great environmental success stories of our time, scientists say that a 35-year-old agreement has resulted in the steady and promising recovery of the earth's ozone layer, a critical protective shield that blocks harmful ultraviolet radiation from the sun. Dr. Paul Newman, chief scientist for earth sciences at NASA's Goddard Space Flight Center, joins William Brangham to discuss.

Formats: Streaming Copyright Date: 2023

Weathering the Future 54 min.

As extreme weather in the U.S. impacts more people--with longer heat waves, more intense rainstorms, megafires and droughts--discover how Americans are fighting back by marshaling ancient wisdom and innovating new solutions.

Formats: Streaming Copyright Date: 2023

New! Inhabitants 77 min.

Inhabitants follows five Native American communities as they restore their traditional land management practices in the face of a changing climate.

Formats: DVDStreaming Copyright Date: 2022

New! Search for the Last Unicorn 50 min.

Reports of Northern White Rhinoceros alive in Southern Sudan has given conservationists renewed hope. Declared extinct in 2018, could this charismatic animal get a miraculous second chance? With exclusive access, the BBC follows an international team of experts, on an expedition to a war zone to go in search of the Northern White Rhinoceros. An animal that little is really known about, inhabiting...

Formats: DVDStreaming Copyright Date: 2022

Brink of Extinction 6 min.

Roughly 1 million species of wildlife face extinction worldwide, according to a recent United Nations report. Ecologist and author Rebecca Nesbit joins Geoff Bennett to discuss the ethics and decision-making process behind figuring out which species to save.

Formats: Streaming Copyright Date: 2022

Ocean Invaders 54 min.

Lionfish, long prized in home aquariums, have invaded the Atlantic, and are now one of the ocean’s most successful invasive species, wreaking havoc in waters across the globe. Join ocean explorer Danni Washington on a journey to find out how they took over, why they’re doing so much damage, and what can be done about it. And look into the impacts of invasive species in a globalized world.

Formats: Streaming Copyright Date: 2022

Chad Climate Change: Creation of Refugees 9 min.

The climate crisis is now a reality worldwide, but it's nowhere more apparent than the parched landscapes of northern Africa. Thousands are on the move looking for water to grow crops and graze livestock. Special correspondent Willem Marx looks at just how dire this crisis has become in this NewsHour clip.

Formats: Streaming Copyright Date: 2022