The biggest potential and actual crises of the 21st century all have a strong, long, slow aspect with a significant lag between cause and effect. We have to train ourselves to be thinking in terms of longer-term results.
When we developed written language, we significantly increased our functional memory and our ability to share insights and knowledge across time and space. The same thing happened with the invention of the printing press, the telegraph, and the radio.
Nobody's going to fix the world for us, but working together, making use of technological innovations and human communities alike, we might just be able to fix it ourselves.