Elon: We're not in any danger of resource collapse. Maher: But lot's of people don't have enough food or water. Water, we will run out of water. They're running out of sand. Elon: Earth is 70% water by surface area. Maher: But you cant drink that. Elon: Desalination is absurdly cheap. Maher: Why don't we do it then? Elon: We do it. Maher: You have a lot of free time. Elon: There's a lot of desalination done. There's plenty of water. It's not an issue. I want to be clear.
And no matter how serious an environmental problem the automobile poses in today's big city, the horse was dirtier, smelled worse, killed and maimed more people, and congested the streets just as much.
Preservation of our environment is not a liberal or conservative challenge, it's common sense.