World’s top climate scientists issue ‘survival guide for humanity,’ call for major course correction

The 1.5 degrees Celsius temperature threshold is widely recognized as crucial because so-called tipping points become more likely beyond this level. In short, our world needs climate action on all fronts — everything, everywhere, all at once. But it will take a quantum leap in climate action." He added, "In short, our world needs climate action on all fronts — everything, everywhere, all at once." "Climate justice is crucial because those who have contributed least to climate change are being disproportionately affected," said Aditi Mukherji, one of the 93 authors of this Synthesis Report.