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NOVA
Can Geoengineering “Undo” Climate Change?
Discover how geoengineering solutions—from techniques as natural as planting trees, to vacuuming CO2 out of the air, to science-fiction alternatives like blocking sunlight—can help humanity turn the tide on climate change, and why these approaches are controversial.
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53:40
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
53:40
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
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53:40
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
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53:40
Dive into the universe at the tiniest – and weirdest – of scales.
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53:34
Meet the surprising, oddball worlds moving around our solar system.
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53:34
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
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53:34
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
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53:34
What are the weirdest worlds in our solar system, and how did they come to be?
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53:34
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
53:38
Explore big discoveries that have revolutionized our understanding of the universe.
53:40
Find out who’s using your data and what you can do about it.
53:34
Explore the spectacular cosmic phenomenon of a total solar eclipse.