This fire season, Australia must fight to protect its most valuable assets – working with traditional custodians in the lead-up needs to take a higher priority, Leslie Schultz, Jessica Weir, and Helen Langley write.

City policy initiatives to meet the Sustainable Development Goals are not without challenges, but their advantages form a crucial piece of crafting a circular economy of the future, Kris Hartley writes.

City-level action is making a positive difference in the face of climate change, but to meet global targets current initiatives must be scaled urgently. Understanding how to scale best is a pressing challenge, Jeroen van der Heijden writes.

Be it electric vehicles or wind turbines, producing renewable energy demands resources – those resources must be acquired sustainably, Datu Buyung Agusdinata writes.

With its over-reliance on fossil fuels, the world is in need of a strong leader in energy technology to steer it away from a climate crisis, Peter Drahos writes.

Transport by car is painfully unsustainable, but society clings to it. Only by investing in other options, not simply giving voters what they want, can governments build better cities, Craig Richards writes.