The reason we should do a carbon tax is because it's the right thing to do. It's economics 101, elementary stuff.

The primary means of energy generation is going to solar. It will at least be a plurality, and probably be a slight majority in the long term.

As a child I would just question things.

The revolutionary breakthrough will come with rockets that are fully and rapidly reusable. We will never conquer Mars unless we do that. It'll be too expensive. The American colonies would never have been pioneered if the ships that crossed the ocean hadn't been reusable.

The key test for an acronym is to ask whether it helps or hurts communication.

In order for us to have a future that's exciting and inspiring, it has to be one where we're a space-bearing civilization.

The reason we should do a carbon tax is because it's the right thing to do. It's economics 101, elementary stuff.