Are electric cars faster than petrol? Which country emits the most CO2? And how much more warming before we've wiped out 99 per cent of coral species?
When it comes to climate change, us Australians are familiar with hot air. But it's time to put your money where your mouth is.
Test your mettle with our climate change quiz. It's 2020, you've got nothing to lose!
This article is part of Your Planet: A season of stories from the ABC exploring our environment and seeking solutions to the climate challenge.
