It's an interesting question - will what we do be 'enough'? I haven't come across the term permie storm before - although I am guessing it is just referring to the permaculture movement in general.
The term 'enough' can be used in a very limiting way - do we have enough? am I good enough? is what we do for the world 'enough'? The last question can lead us to disempowerment and burn out. Not having/being/doing enough is at the center of scarcity thinking. We need to be grateful to ourselves for the work we do do. The first way of thinking is abundance thinking and gratitude is the key here.
Will we give the world a 2nd chance? None of us can know this, we don't know what the tipping points are for climate change, but equally we don't know what the tipping points are for earth recovery. We don't know know if we can do it, but we can be sure that we don't do it if we don't try.
Governments are composed of people and they need solutions as much as anyone - we just need to prove to them that these solutions can be win win.