The nine planetary boundaries - Stockholm Resilience Centre
▻http://www.stockholmresilience.org/research/planetary-boundaries/planetary-boundaries/about-the-research/the-nine-planetary-boundaries.html
– Stratospheric ozone depletion
– Loss of biosphere integrity (biodiversity loss and extinctions)
– Chemical pollution and the release of novel entities
– Climate Change
– Ocean acidification
– Freshwater consumption and the global hydrological cycle
– Land system change
– Nitrogen and phosphorus flows to the biosphere and oceans
– Atmospheric aerosol loading