1. Try to do what you can. Small changes to limit consumption.
2. Stay optimistic and vote with your money.
I'm not against changing personal consumption - for example, I went vegan. But this is not where the majority of my impact on the world lies, as even a small donation vastly outweighs the effect that my veganism has.
[1] https://founderspledge.com/stories/climate-and-lifestyle-rep...