NOVA S49E1 - Arctic Sinkholes
7.0/10 by 135 users
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.
| Released | Mar 03, 1974 |
|---|---|
| Runtime | 55min |
| Genre | Documentary |
| Actor | N/A |
| Director | N/A |
| Production | GBH |
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