Reef Race
- Episode aired May 9, 2013
Environmentalists race to save the world's largest coal reef as it risks being put on UNESCO's World Heritage danger list due to mining expansions.Environmentalists race to save the world's largest coal reef as it risks being put on UNESCO's World Heritage danger list due to mining expansions.Environmentalists race to save the world's largest coal reef as it risks being put on UNESCO's World Heritage danger list due to mining expansions.