Question

The most important greenhouse gas which contribute maximum to the global warming at present

Answer 1

By far the most abundant of the hydrofluorocarbons, trifluoromethane has an atmospheric lifetime of 260 years and traps 11,700 times as much heat as carbon dioxide. Usually when ozone comes up in the climate debate, the talk centers on a general lack of it. In fact, ozone is also a potent greenhouse gas.

Answer 2

Carbon dioxide (CO²) or maybe methane