Action for a more sustainable society must be taken — calling for advances in technology. This Insight features artificial biocatalytic systems and functions not found in nature and emphasizes their potential to address major challenges faced by humankind, such as climate change.

An amendment to this paper has been published and can be accessed via a link at the top of the paper.

Europe is following in the steps of Japan and California towards the implementation of fuel cell vehicles. We revisit the current state of affairs in Europe while one of its flagship projects is nearing its end.

As Nature Catalysis starts its third year, we look back and the past 12 months.