Smithsonian Magazine on MSN4mon
Earth Is on the Brink of Breaching a Seventh of Nine 'Planetary Boundaries' That Support LifeA new assessment of Earth’s life-support systems shows that six out of nine of these crucial processes have crossed their ...
Just How Much Of The Planet Do We Have Left? The idea of planetary boundaries--the maximum amount of resources we can use--is controversial and debatable. How do we know when we’ve simply ...
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