This week world leaders, pushing for more coordinated and strenuous action on climate change, no doubt hoping to capitalise on the lesson of coronavirus while it's still fresh - that doing too little, too late has dire consequences.
So far, most nations - including Australia - have acted with insufficient urgency, meaning that the task ahead is now both mitigation and adaptation.
This week, to coincide with the Biden summit, 7.30 has a special four-part series from reporter Andy Park and producer Alex McDonald on where things are at in 2021 with climate change. We begin in Australia's Torres Strait.
