More on the environment tipping point

More on the environment tipping point, from MotherJones.com

Now that the zombie apocalypse appears to have calmed down, we have a different end-of-the-world situation to deal with. A study published in the science journal Nature this week finds that human activity is pushing Earth toward a planetary shift wherein “widespread social unrest, economic instability and loss of human life could result.”

Graph of land use as a quantification of a potential planetary state shift Anthony Barnosky, et al./Nature, via Mother Jones

According to paleoecologist Anthony Barnosky and his 21 co-authors, the human population is ecologically influencial enough to transform the planet into a state heretofore unknown in human experience. The study draws from more than 100 scientific papersmore

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