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Approaching 1.5 °C: how will we know we’ve reached this crucial warming mark?
Assessing global mean temperature rise using the average warming over the previous one or two decades will delay formal recognition of when Earth breaches the Paris agreement’s 1.5 °C guard rail. Here is what’s needed to avoid the wait.
Generative AI could revolutionize health care — but not if control is ceded to big tech
Large language models such as that used by ChatGPT could soon become essential tools for diagnosing and treating patients. To protect people’s privacy and safety, medical professionals, not commercial interests, must drive their development and deployment.