Is it worth curbing carbon emissions?

Question

The environment is a chaotic system already changing and in cascade. The possitive feedback from permafrost methane release will make any effort we make insignificant. This cannot be stopped. So why bother curbing carbon emissions? Shouldn't we build arcologies instead?

Answer 1

It's like buying a car insurance. Possible this global warming might not be bad as people think, but if it is we'll pay for it big time later. And earth is far more significant than a car.

Answer 2

this is a positive first step to help fight pollution