Premieres Wednesday, April 16, 2025 at 9 p.m. on KPBS TV / PBS app + Encores Sunday, April 20 at 2 p.m. on KPBS TV and 9 p.m. on KPBS 2
Can forests help cool the planet? On this episode, follow scientists working in spectacular forest landscapes in Costa Rica, Brazil, Australia, and beyond as they try to untangle complex networks of trees, fungi, and creatures large and small – all in a quest to tackle the twin threats of climate change and species extinction.
Watch On Your Schedule: NOVA "Secrets of the Forest" will be available to stream with the PBS app. Watch the best of PBS anytime, anywhere on the free PBS app. Stream your favorite PBS shows on-demand and livestream shows from your local station, all from your favorite device.
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NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.