Scientists made a detailed “roadmap” for meeting the Paris climate goals. It’s eye-opening.

Few people grasp how radically — or how quickly — we’d have to revamp the global economy to meet the Paris climate goals. In a new paper for Science, a group of European researchers try to do just that — laying out in vivid detail what would have to happen in each of the next three decades if we want to stay well below 2°C. Fair warning: It’s unsettling.

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