Against a backdrop of global uncertainty and questions about whether multilateral processes can still deliver, the countries represented at the latest UN Ocean Conference were largely united on the need for a more ambitious response to the challenges facing our ocean. Here is what needs to happen now. By John F Kerry

Prohibiting mining in key areas can safeguard biodiversity and Indigenous rights in the energy transition. By Tobias Kind-Rieper

Wealthy nations’ overconsumption is destroying nature, but is often not accounted for by ‘loss and damage’. By Dilys Roe

Green spaces are not the answer to overheated cities by themselves. Careful urban planning needs to consider their strategic placement. By Wan-Yu Shih