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Why a climate crisis is like an epileptic seizure

Tipping points – those critical thresholds in a complex system where a small nudge can cause a catastrophic response – are perhaps the most fearsome threats to the Earth’s climate, but they also haunt ecosystems, financial markets, and even sufferers of medical conditions such as epilepsy and asthma. A fascinating review in Nature today (subscription) sketches out the mathematical patterns on which many of these instances seem to be based, and describes giveaway signs that might warn us to change course before the system tips. 


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