Earth is ‘really quite sick now’ and in danger zone in nearly all ecological ways, study says In 2009, a seminal paper in Nature showed that humanity had crossed three of nine ‘Earth-system boundaries’: the limits of what the planet can support before human activities make it uninhabitable. Now, there’s a reboot of the extraordinarily influential concept that takes into account how changes to climate, ecosystems and other factors disproportionately affect vulnerable communities. We have crossed seven of the eight safe and just boundaries. Only air pollution was inside dangerous limits globally, despite it causing an estimated 4.2 million deaths annually. Earth has pushed past seven out of eight scientifically established safety limits and into “the danger zone,” not just for an ov...
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