Human Prosperity within Planetary Boundaries

3 Dec 2014 · 39 min
39:23

Johan Rockström presents the planetary boundaries framework, arguing humanity has pushed Earth toward tipping points. He identifies climate, biodiversity, and nutrient cycles as in danger zones, cites 450 ppm CO2eq as a risky threshold, and calls for rapid decarbonization and sustainable food systems.

Questions this video answers

December 3, 2014 — Huntington Prize event at the Woods Hole Research Center (uploaded to YouTube).

Nine processes (original planetary boundaries framework, published 2009 in Nature).

About 450 ppm (CO2-equivalent gases) cited as commonly seen as the maximum to avoid average warming above 2°C.

Approximately 1.6% (he translated IPCC-style analysis to a 1.6% probability of 6°C at 450 ppm).

Reported percentages stating trust/concern about climate science: China ~92%, India ~90%, South Africa ~90%, Brazil ~90%, United States ~66%.

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