Category Archives: Planetary Boundaries

Escape to Mars to solve our problems? How absurd

Go to Mars?  Really?  We tried already did, and it didn’t work out.  Remember the $250 million 3.14 acre sealed Biosphere 2 complex near Tucson, Arizona back?  It was built to show how colonists could survive on Mars and other … Continue reading

Posted in Climate Change, Extinction, Far Out, Human Nature, Planetary Boundaries, Where to Be or Not to Be | Tagged , , , | 2 Comments

A better way to measure Planetary boundaries: global plant production

Running, Steven W. 21 Sep 2012. A Measurable Planetary Boundary for the Biosphere. Science. Forty years ago Meadows et al, in “Limits to Growth 1972” concluded that by the first part of the 21st century, limits to essential global resources … Continue reading

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The nine boundaries we must not cross — or we may go extinct

[ Although everyone focuses on climate change there are 8 other destructive boundaries to be avoided as well. We’ve crossed three already: climate change, biodiversity loss, and the global nitrogen cycle.  The other six are ocean acidification, chemical pollution, atmospheric … Continue reading

Posted in Acidification, Biodiversity Loss, Climate Change, Climate Change, Extinction, Planetary Boundaries, Pollution, Sea Level Rise, Water, World's Best Scientists | Tagged , , , , , , , , , , , , , , , | Comments Off on The nine boundaries we must not cross — or we may go extinct