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Outside the Safe Operating Space of a New Planetary Boundary for Per- and Polyfluoroalkyl Substances (PFAS)

Outside the Safe Operating Space of a New Planetary Boundary for Per- and Polyfluoroalkyl Substances (PFAS) Abstract It is hypothesized that environmental contamination by per- and polyfluoroalkyl substances (PFAS) defines a separate planetary boundary and that this boundary has been exceeded. This hypothesis is tested by comparing the levels of four selected perfluoroalkyl acids (PFAAs) […]

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Chemical pollution has passed safe limit for humanity, say scientists

Chemical pollution has passed safe limit for humanity, say scientists Study calls for cap on production and release as pollution threatens global ecosystems upon which life depends Firefighters take part in an emergency drill against winter chemical hazards and accidents in China’s Inner Mongolia Autonomous Region. Photograph: Xinhua/Rex/Shutterstock The cocktail of chemical pollution that pervades the […]

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Global Warming and the Planetary Boundary

Global Warming and the Planetary Boundary Climate change is on a fast track, a surprisingly fast, very fast track. As such, it’s entirely possible that humanity may be facing the shock of a lifetime, caught off-guard, blindsided by a crumbling ecosystem, spawning tens of thousands of ISIS-like fighters formed into competing gangs struggling for survival. […]

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Olduvai IV: Courage
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Olduvai II: Exodus
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