Batteries show the difficulties of being greener

Last July, a team of experts in climate policy and materials use argued that the new EU battery regulations might have unintended consequences that could end up undermining climate-change mitigation targets (H. E. Melin et al. Science 373, 384–387; 2021). At root, the problems are those that have always been central to capitalistic economies: how to find the right balance between regulation and the freedoms that enable companies to innovate, to find creative solutions and to be competitive.

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