It's true. There's not that much hope of averting it.
I'm not being ironic.
The main reason is a coupling of sorts: of natural human inertia, and motivation for action today being driven only by capital, or panic.
Regrettably, it will come down to panic. Only when people feel the fear for themselves, in their homes, in their family, will the heat be turned upon their governments in a way that can't be set aside.
Some point will be reached when it's not possible to pretend anymore: a drought comes and you see dams go empty, you have to face water rationing. Heat waves cause forest fires, your house risks burning down, soils erode paving the way for floods, trees take decades to grow back.
Nature has its own timings. We've bent them far and wide. But biology has its limits and there's no arguing with those. You have to wait for regeneration, you have to wait for growth and healing. And when there is a waiting that must be endured (say, stomachs will hunger) then some changes start to have to happen.
So, until you're the animal again, so to speak, and we discover ourselves strangely an integral part of that basic, seemingly abstract reality, of what we call 'nature', chances are the treadmill of daily life will not halt and we won't be stopped in our tracks, which, extrapolated, means that, as societies, we will not take action - until very strongly motivated.
Only when we're forced to acknowledge things have broken down in a continued, life-threatening way, will there be effective action.
While we're on the subject of general human psychology and touching on that inertia business, have you ever heard of The Bystander Effect or Diffusion of Responsibility? It's a weird thing that mostly boils down to a standard sort of behavior: the greater the number of people observing an emergency the less likely they are to help.
Check out this article
if you want to gain some further insight.
Overall, we delegate on the powers that be, in a given context or environment. They're supposed to be minding these things for us after all. Only they aren't. They have other (often selfish) priorities to be put first, and so do we. So, little me, what can I do? I can't afford to buy an electric car, or solar panels, which would likely be the most impactful thing to individually do and have replicated. As mentioned in your video, strive for more but your efforts by yourself still won't suffice to turn things around. Collective push is needed.
And here we are back to what I posited above - it's the slow roast. Until you confront imminent panic.
Not to be gloomy or anything. This is how it is however.
It's possible to resort to science but unless we have a considerable breakthrough that speeds things up to deliver a solution, namely in the nanotechnology field (example article
), chances are some hardships are indeed headed our way.
We'll have no other choice than to deal with them.