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Venture into the danger zone of two volcanic craters posing widely divergent threats. Hawaii's Kilauea is a shield volcano that threatens communities with its slow-but-relentless lava flow, while the Sumatran Sinabung is a stratovolcano delivering carnage via a sudden and explosive surge of superheated gas and rock.
S2E5 • Volcanic Odysseys • 2016 • Environment
Professor Chris Jackson charts the planet's changing climate. He shows how the oldest rocks and fossils provide evidence of radical climate changes throughout its history, revealing that what drives them is the amount of carbon dioxide in the atmosphere.
1/2 • BBC Royal Institution Christmas Lectures - Planet Earth: A User's Guide • 2020 • Environment
From space, Earth is a kaleidoscope. Turquoise plankton blooms trigger a feeding frenzy, China turns yellow with rapeseed flowers, and mysterious green lights appear in the ocean.
3/4 • Earth from Space • 2019 • Environment
Explorer Victor Vescovo and his team head to the Indian Ocean.
S1E3 • Expedition: Deep Ocean • 2021 • Environment
From crunchy crickets to nutty fly grubs, NOVA takes a tasty look at insect foods and how they could benefit our health and our warming planet. From Thailand to Texas, insect farmers are showing how the tiny critters stack up as an environmentally friendly alternative to beef protein and can, pound for pound, deliver better nutritional value than the finest steak. But will Americans overcome the “ick” factor and share the appetite of many cultures around the world for insect feasts?
NOVA PBS • 2021 • Environment
Earthquakes have always been a terrifying phenomenon, and they’ve become more deadly as our cities have grown — with collapsing buildings posing one of the largest risks. But why do buildings collapse in an earthquake? And how can it be prevented? Vicki V. May explains the physics of why it is not the sturdiest buildings, but the smartest, that will remain standing.