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The fall of a Syrian opposition town to the government this week after a siege and threats of air strikes serves as a reminder that the civil war continues.

People are likely to be confused by common terms such as "mitigation" and "carbon neutral," according to a recent study. How can scientists do a better job communicating about global warming?

Premieres Tuesday, Nov. 23, 2021 at 9 p.m. on KPBS TV / On Demand. Northern Arapaho tribal members travel to Pennsylvania to retrieve the stories and the remains of children who died at Carlisle Indian boarding school in the 1880s. More than a century later, will these Native American boys finally come home?

This hour, journalist Saleem Reshamwala gives us a tour of surprising people and places — Lima, Nairobi, and prehistoric New Jersey — to inspire new perspectives on travel and cultures.

Evolving technology is making it possible to turn sewage wastewater into energy that can heat and cool large buildings. The largest such project in the U.S. is under construction in Denver.

The Tokyo Organizing Committee are urging spectators to only clap, not cheer, when the Olympic torchbearers make their way through Japan starting March 25.

A cold and methodical ranking of Saturday Night Live performances by Katy Perry, Taylor Swift, Lizzo, Billie Eilish, Young Thug, Arcade Fire, Saweetie, LCD Soundsystem, Camila Cabello and more.

Gina McCarthy says the Biden administration is making major changes in the way it addresses climate change, but protesters say that is not enough.

For a limited time beginning next year, the U.S. Mint will issue quarters honoring women from history. The first batch celebrates icons in civil rights, politics, humanities and science.

The world's two biggest carbon polluters agreed to cooperate to curb climate change with "seriousness and urgency" days before President Biden hosts a virtual summit of world leaders on the issue.