As well as acting as a crucial coastal defence and being jaw-droppingly beautiful to look at, coral reefs provide an ecosystem for thousands of underwater species. The bad news is that they're facing an existential crisis; the good news is that some of the world's finest minds are working on ways to save it — all of which is explored in Our Changing Planet: Restoring Our Reefs.
You can watch Our Changing Planet: Restoring Our Reefs for FREE in the UK on the BBC iPlayer streaming service. But don't worry if you're on holiday while it's on, because you can watch Our Changing Planet from anywhere with a VPN.
