What is methane recognized as in terms of global warming contribution, second only to which gas?

Answer

The second most important contributor following $ ext{CO}_2$.

Methane holds the position as the second major gas responsible for contributing to the overall phenomenon of global warming, surpassed only by carbon dioxide.

What is methane recognized as in terms of global warming contribution, second only to which gas?
ProductionEarthenvironmentproducergasMethanegreenhouse gas