The team racing to save the Great Barrier Reef with coral IVF

Australia is the custodian of one nature’s most precious and sensitive habitats: the Great Barrier Reef.

But recurring bleaching as sea temperatures climb higher means this ecosystem risks being lost forever.

Some have questioned Australia’s commitment to climate targets, but the country’s Prime Minister Scott Morrison is now attending the Glasgow summit with a plan for reaching net zero.

Sarah Clark has been with a team of scientists trying to ensure the survival of the reef ahead of COP26.