Instead of being fatalistic and bemoaning the problem, you'll find yourself in a better mental space if you just apply yourself to solving it. Yes, you will only start with small steps, and yes, that will be a great risk, but in the end it the only chance we have of making things work.
Fixing climate change is a political problem first of all. A very different set of talents is needed here.
You'll have to convince or force people to change their priorities. First is probably not possible, due to the slow moving nature of the threat, second has its own drawbacks as well.
