Back in March 2022, Sam had just returned from a trip to the Great Barrier Reef, but he wasn't the only one visiting around that time.

The UN had just sent a delegation to assess the health of the reef, and whether it should be added to the 'world heritage in danger' list.

Today we're throwing back to the deep dive we did at the time, but stick around for an update on what the UN delegation found on its visit.