“I think of this often. Steven Pinker’s amazing book, The Better Angels of Our Nature, charts the decline in human violence over the past 800 years. His TED talk is a distiller version. It makes me incredibly hopeful.
“However, an ecological disaster would set us back. We can’t proceed toward peace and prosperity if we have stressed the planet to the breaking point.
“I think of the vast complexity of this, and then when I need to go to the grocery store or the hardware store or my parent’s side of town for lunch, I let these complexities in the background steer me away from the car key and toward the shed key. And in the shed, there’s my bike.