When someone tells you, “The climate is always changing,” show them this cartoon

We’ve all heard it before: “Yeah, but the climate has ALWAYS changed.”

Oh, really? Well, this timeline of Earth’s average temperature shows just how much we’ve influenced the climate. This epic webcomic was created by Randall Munroe, the artist behind xkcd, one of our favorite places for simplifying complicated scientific concepts.

It’s pretty long, but bear with us.