system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:Why would vast methane plumes escaping from Arctic seafloor be bad for us?
gpt
Methane is an extremely potent greenhouse gas, many many times more potent than gases like CO2 (though the life of methane in our atmosphere is much shorter than other, less potent gases). Scientists are concerned that this could become a trend, something we certainly would not want to happen.