send a team of some of the most prominent characters and best fighters they have, including the fucking King in the North, beyond the Wall to catch a wight.
This is a classic Star Trek move as well especially DS-9
If we start now it can in theory be done but the longer we wait the more impossible it will become.
While I agree with your assessment this is a statement about mitigating the damages of climate change that has been repeated for at least 40+ years. And... well... we've seen how well that's turned out.
If I'm having a conversation with someone and they start looking at their phone while I'm talking, I just stop talking and stare at them. More than a few times I've been told "keep going I'm listening" I don't, I just let them finish and only start talking again when the set the phone down.
It's very passive aggressive but it does make the other person feel a bit uncomfortable.
There is an old German (?) quote:
"Progress one funeral at a time."
It's a bit dark but there is some truth to it.