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On top of schoolwork and chores, these four Girl Up "teen advisers" sometimes give up their favorite hobbies to try and "save the world." They talk about their activism — and their role models.

The action would speed up projects to clear underbrush to protect the world's largest trees from the increasing threat of wildfires.

In Denver, no snow has yet fallen this season — smashing the city's previous record of Nov. 21 for the latest ever recorded first snowfall.

From housing and health to transportation and education, the Legislative Analyst’s Office provides a litany of sobering climate change impacts for California legislators to address as they enact policies and set budgets.

Stream now with KPBS Passport on KPBS+ / Watch Thursday, Jan.1, 2026 from 7 p.m. - 9 p.m. on KPBS 2. A celebration of California’s wildlife and wild places, and their coexistence with the 40 million people who call it home. Famous for its beaches and Hollywood, California is also a wellspring of biodiversity. Bounded by mountains, deserts and the Pacific Ocean, here are iconic wild places like Yosemite National Park and Death Valley, as well as Baja California’s lesser-known wild beauty.

The U.S. is using its presidency of the UN Security Council to focus on food security, as much of the world worries about the ripple effects from the war in Ukraine.

A roundup of key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

A blanket of hot air stretching from the Mediterranean to the North Sea is bringing much of Western Europe its first heat wave of the summer.

One of the biggest battlegrounds in the fight to control the U.S. House is heavily Democratic California.

The scramble for gas after the Ukraine war means a push for new gas projects across Africa. Some worry these projects don't make sense. And they could worsen climate change for the continent.