What's the Effect of Methan on the Environment?

We know it's warming. We can see in the icicle record how much methan and carbon dioxide and nitrous oxide there used to be. And then you can look back 800 thousand years and see, in that period how much has it changed. A lot of it's actually gone into the ocean, but a lot's halsar gon into the atmosphere. I want to go to the arctic and sniff these gas bubblesit sounds great,. Ita ret by the way, but that's what warcan. do. The i'm sorry, disappointed to say, the honest truth is, itt smells like normal air.