melting permafrost can release not just co2, but also methane, a much stronger heat-trapping gas.
melting permafrost can release not just co2, but also methane, a much stronger heat-trapping gas.
permafrost:51
it also contains gas hydrates in places, which are a "potential abundant source of energy" but may also destabilize as subsea permafrost warms and thaws, producing large amounts of methane gas, which is a potent greenhouse gas.