So this is the third time the government has pushed these targets back; and UNESCO has once again flagged concern with that and asked Australia to accelerate efforts in that space."Mr Leck says improving water quality would help boost resilience across the reef - and provide some support against its greatest threat."Look, obviously taking action on climate change is the number one thing that we can do to protect the reef So if Murray Watt goes ahead and approves massive new climate wrecking carbon bombs like the Browse Project off Northwest of WA, one of the biggest fossil fuel projects in our nation's history, then that needs to be clocked by UNESCO."He says Australia's current emissions trajectory puts the reef on a path to death."Clearly, we've seen multiple mass coral bleaching over many years