41 - "Permafrost"
1Cause
1Consequence
1Other possible cause
If we take the idea of energy conservation all the way, we can link the energy budget to the thawing of permafrost.
2Other possible consequences
The permafrost card can be linked either to Other GHGs or to Additional Greenhouse Effect. The Other GHGs card is about GHGs emitted by human activities, while the methane in permafrost is not of human origin.
