Future? We can undo it now -- just with life improvements and simplifications, I've dropped my emissions 90%, according to online calculators. I take two years to fill a load of trash at home, which used to be weekly. Many other changes. And one person changing is exactly what causes more people to change.
As a result, Mayors, Congressmembers, and other politicians, CEOs, champion athletes, and more have come on my podcast, helping lead large communities. The Hacker News community is particularly recalcitrant, believing that Mars and fusion are simple and will solve everything while flying less or having fewer children is against human nature and solve nothing, but there's variation.
Systemic change begins with personal transformation.