Climate change can feel confusing, and big, and scary. Trust us: We get it.

Just take a deep breath, and let it back out again (it will be full of carbon dioxide, for the record). With this first quiz, we’ll start with some of the basics — and then work our way up from there.

Can you pass Climate Change 101?

1. What has the scientific community concluded about climate change?

Answer: A The U.N. Intergovernmental Panel on Climate Change, the leading scientific body on the subject, released a report in 2013 stating that the warming of the climate is “unequivocal” and that it is “extremely likely” that human activity is the “dominant” cause. This position has been publicly endorsed by many leading science organizations globally. A 2017 U.S. government report found that, other than human emissions of greenhouse gases, “there is no convincing alternative explanation supported by the extent of the observational evidence.”