Few non-Indigenous people gazing out over an Australian landscape would realise the treasure trove that lies within. From rock art to middens, ancestral remains to stone arrangements, our landscapes tell the story of First Nations’ ancient and abiding connection to Country.

But these sites – precious and sacred as they are – are not safe from climate change. That threat was literally laid bare last year, when king tides and storm surge in the Torres Strait unearthed ancient ancestral remains buried at a beach. And as you read this, rock art in Arnhem Land depicting the arrival of British navigator Matthew Flinders is crumbling into the sand.

Today, archaeologist Anna M. Kotarba-Morley and her Indigenous coauthors Enid Tom, Marcus Lacey and Shawnee Gorringe outline the gravity of the problem. Urgent action is needed to save what we can in the short time left. And First Nations people, who’ve maintained these important sites for millennia, must be empowered to lead the effort.

Nicole Hasham

Energy + Environment Editor

From crumbling rock art to exposed ancestral remains, climate change is ravaging our precious Indigenous heritage

Anna M. Kotarba-Morley, Flinders University; Enid Tom, Indigenous Knowledge; Marcus Lacey, Indigenous Knowledge; Shawnee Gorringe, Indigenous Knowledge

Cyclones, floods and other climate-linked events are threatening Indigenous heritage tens of thousands of years old. Unless we act, they’ll be gone for good.

What do we owe future generations? And what can we do to make their world a better place?

Michael Noetel, Australian Catholic University

Your great grandchildren are powerless in today’s society, but the things we do now influence them, for better or worse. What happens when we consider them while we make decisions today?

Why ‘best before’ food labelling is not best for the planet or your budget

Louise Grimmer, University of Tasmania; Nathan Kilah, University of Tasmania

UK supermarket chains have dropped the use of “best before” date labels to reduce the amount of food being thrown out when it’s still perfectly edible. It’s just as big a problem in Australia.

I’ve had COVID and am constantly getting colds. Did COVID harm my immune system? Am I now at risk of other infectious diseases?

Lara Herrero, Griffith University

Evidence is growing there are changes to your immune system that may put you at risk of other infectious diseases.

Why should we trust science? Because it doesn’t trust itself

John Wright, La Trobe University

Scientists aren’t always right, and new evidence can always emerge to disprove a theory. Still, philosophy helps explain why there is good reason for us to trust science regardless.

The retirement of Roger Federer is the abdication of tennis royalty

David Rowe, Western Sydney University

Roger Federer will retire this week at the Laver Cup. He leaves behind a formidable sporting record.

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