Plant-to-planet analysis of CO 2 -based methanol processesOur society demands more sustainable chemicals, fuels and products to fulfil carbon neutrality. This Analysis introduces a systems engineering approach that for the first time quantifies the sustainability level of chemicals in global terms by extending state-of-the-art process assessment with the concept of planetary boundaries, thus providing more sensible guidance in research and policy-making. Focusing on methanol synthesis, we show that replacing the fossil-derived CO and H 2 feedstock with captured CO 2 and renewable H 2 shall help us to operate within ecological Earth limits of climate change that are currently transgressed. Registered charity number: 207890 rsc.li/ees As featured in: PAPER Tao Cheng, Yanguang Li et al . Weakening hydrogen adsorption on nickel via interstitial nitrogen doping promotes bifunctional hydrogen electrocatalysis in alkaline solution

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