Arctic Sinkholes
nova

Wed, Apr 23 9:00 P.M. NHPBS (11.1)  

Scientists investigate colossal explosions in Siberia and other evidence that rapidly melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas. What are the implications for our climate future?

Duration: 56 minutes and 46 seconds

Episode Number: 4901

All broadcast times for this episode: (show all)

Wed, Apr 23 9:00 P.M. Arctic Sinkholes     NHPBS (11.1)
Thu, Apr 24 1:00 A.M. Arctic Sinkholes     NHPBS (11.1)
Fri, Apr 25 3:00 P.M. Arctic Sinkholes     NHPBS (11.1)
Sat, Apr 26 1:00 P.M. Arctic Sinkholes     NH Explore (11.2)
Sun, Apr 27 12:00 A.M. Arctic Sinkholes     NHPBS (11.1)
Sun, Apr 27 4:00 A.M. Arctic Sinkholes     NH Explore (11.2)
Sun, Apr 27 7:00 A.M. Arctic Sinkholes     NHPBS (11.1)
Sun, Apr 27 9:00 P.M. Arctic Sinkholes     NH Explore (11.2)
Mon, Apr 28 1:00 A.M. Arctic Sinkholes     NH Explore (11.2)
Tue, Apr 29 7:00 P.M. Arctic Sinkholes     NH World (11.3)
Wed, Apr 30 12:00 A.M. Arctic Sinkholes     NH World (11.3)
Wed, Apr 30 8:00 A.M. Arctic Sinkholes     NH World (11.3)

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

Sun, Mar 30 12:00 A.M. Hunt for the Oldest DNA     NHPBS (11.1)
Sun, Mar 30 4:00 A.M. Hunt for the Oldest DNA     NH Explore (11.2)
Sun, Mar 30 7:00 A.M. Hunt for the Oldest DNA     NHPBS (11.1)
Sun, Mar 30 9:00 P.M. Hunt for the Oldest DNA     NH Explore (11.2)
Mon, Mar 31 1:00 A.M. Hunt for the Oldest DNA     NH Explore (11.2)
Tue, Apr 1 7:00 P.M. Hunt for the Oldest DNA     NH World (11.3)
Wed, Apr 2 12:00 A.M. Hunt for the Oldest DNA     NH World (11.3)
Wed, Apr 2 8:00 A.M. Hunt for the Oldest DNA     NH World (11.3)
Wed, Apr 2 9:00 P.M. When Whales Could Walk     NHPBS (11.1)
Thu, Apr 3 1:00 A.M. When Whales Could Walk     NHPBS (11.1)
Fri, Apr 4 3:00 P.M. When Whales Could Walk     NHPBS (11.1)
Sat, Apr 5 1:00 P.M. When Whales Could Walk     NH Explore (11.2)
Sun, Apr 6 12:00 A.M. When Whales Could Walk     NHPBS (11.1)
Sun, Apr 6 7:00 A.M. When Whales Could Walk     NHPBS (11.1)
Sun, Apr 6 9:00 P.M. When Whales Could Walk     NH Explore (11.2)
Mon, Apr 7 1:00 A.M. When Whales Could Walk     NH Explore (11.2)
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