26:46
Horizons from PBS News
Can AI companionship cure loneliness – or deepen it?
Can AI companionship cure loneliness – or deepen it?
Why Earth's melting ice matters more than we think
Dive into the world of science, health, technology, and environmental issues making headlines each week, hosted by PBS News Hour’s William Brangham, with in-depth discussions featuring leading experts and professionals.
Why Earth's melting ice matters more than we think
Season 2026 Episode 2 | 26m 46s | CC
Ice in the Arctic and Antarctica plays a critical role in maintaining life on Earth, and it is melting faster than previously thought. This is threatening our planet with potentially massive sea-level rise, weather disruptions and further global warming. Horizons moderator William Brangham explores the fate of ice on Earth with science correspondent Miles O’Brien and glaciologist Erin Pettit.
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