Barney Harwood and Gemma Hunt meet extreme recyclers in the Barrier Reef, from snot-guzzling parrotfish to poo-cleaning cucumbers and the waste disposal shark. Show more
Discover 11,128,835 listings and 279,775 playable programmes from the BBC
Barney Harwood and Gemma Hunt meet extreme recyclers in the Barrier Reef, from snot-guzzling parrotfish to poo-cleaning cucumbers and the waste disposal shark. Show more