In a recent article in Nature (November 27th, 2019), the authors described the existing evidence for so-called tipping points: when certain effects of climate change become irreversible. To illustrate, some IPCC models suggest that at a 1.5 °C scenario, the Greenland ice sheet might already be doomed, and will melt completely in the next 1,000-10,000 years to come. The possibility of reaching tipping points that will result in the loss of the world largest coral reefs, forests, ice sheets, confirms the current state of climate emergency. Read the full article here