2 and 4 are things that have already happened, to a large extent. Hard to see a source of optimism for the future there though. 1 is mostly about avoiding disaster, it seems universally acknowledged that overall we will need to consume less energy even if we transition from fossil fuels, which ultimately means lower standard of living.

Collaboration among people around the world is good, but we seem to be on trend to enter a more fractured, cold-war-iron-curtain kind of world.