What simple actions can people do to reduce their carbon footprints?

This is one of the questions I get asked most often. What simple actions can ordinary people do to reduce their carbon footprints? I expect you’ve heard it before.

Let me reply with a question of my own: which simple household objects can I use to battle a T-Rex?

None, right?

If I need to fight a T-Rex for some reason, I’m not going in with a toilet brush and a pair of scissors. I’m going to gear up, and I’m going to bring friends.

I mean, I’m open to discussing the running away o...