Sustainability remains a focus for Fieldays 2024 nzherald.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nzherald.co.nz Daily Mail and Mail on Sunday newspapers.
As the world moves to more sustainable forms of energy, efficient rechargeable batteries are becoming more and more important. At present the lithium-ion batteries used for everything from mobile phones to EVs include materials such as cobalt, which are .