nova
Can We Cool The Planet?

As global temperatures rise, scientists are exploring geoengineering solutions, from planting trees to sucking carbon out of the air to physically blocking out sunlight. But would it work? And what are the risks of engineering Earth's climate?

Episode Duration: 56 minutes and 46 seconds

Episode Number: 4716


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Future Broadcast times for "Nova": (show all)

Sun, Nov 29 1:00 A.M. Saving Notre Dame     NH EXPLORE
Sun, Nov 29 4:00 A.M. Saving Notre Dame     NHPBS
Mon, Nov 30 2:00 P.M. Look Who's Driving     NH WORLD
Tue, Dec 1 2:00 P.M. The Truth About Fat     NH WORLD
Wed, Dec 2 12:00 P.M. Polar Extremes     NH WORLD
Wed, Dec 2 2:00 P.M. Pluto and Beyond     NH WORLD
Wed, Dec 2 9:00 P.M. Mysteries of Sleep     NHPBS
Thu, Dec 3 1:00 A.M. Secrets of the Forbidden City     NH EXPLORE
Thu, Dec 3 4:00 A.M. Secrets of the Forbidden City     NHPBS
Fri, Dec 4 5:00 A.M. Secrets of the Forbidden City     NH EXPLORE
Sat, Dec 5 9:30 P.M. Mysteries of Sleep     NH EXPLORE
Sun, Dec 6 1:00 A.M. Secrets of the Forbidden City     NH EXPLORE
Sun, Dec 6 4:00 A.M. Secrets of the Forbidden City     NHPBS
Sun, Dec 6 11:00 P.M. Mysteries of Sleep     NHPBS
Mon, Dec 7 1:00 P.M. Cat Tales     NH WORLD


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WENH-TV Ch. 11 Durham

WLED-TV Ch. 48 Littleton

WEKW-TV Ch. 18 Keene

W50DP-D Ch. 50 Hanover

W34DQ-D Ch. 34 Pittsburg

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