If we can put some humans on the Moon while managing to split an atom, I think we can also manage this:
(Scroll to down to Mark Z. Jacobson - Energy Policy)
Granted, we’ve passed the point of no return (or very, very slow return) on some aspects of global climate change, but there’s still hope to change our ways and mitigate what we can for future generations. One thing is for sure, we don’t want to make it even worse than it already is by doing nothing.