Great Barrier Reef: new chapter opens in the fight to save natural wonder from mining

Landmark case may force minister to consider coal's impact on reef and block new fossil fuel projects

Here on Heron Island, you could be forgiven for thinking everything is calm on the Great Barrier Reef. There are kilometres of gorgeous coral and a bustling ecosystem around it - huge schools of colourful fish, turtles, rays and sharks.

It is the reef you grew up seeing on documentaries.