The sign of an adult is not owning a car

The sign of an adult is knowing what you should do given the evidence, and then doing it.

The evidence suggests that CO2 levels in the atmosphere are currently at 415 parts per million, up from 350 thirty years ago. The evidence suggests that we are on the verge of a sixth mass extinction, the first caused directly by humans. The evidence suggests that this is a result of our reliance on fossil fuels.

The evidence suggests that humans won’t exist in the future if we continue down this path.