Debate: What Good Are Planetary Boundaries?
Nature Conservancy - Science
MARCH 24, 2013
in Nature (“ A safe operating space for humanity “) that first broached numerical thresholds for nine “planetary boundaries” — categories of human-nature interaction ranging from climate change to land system change, rate of biodiversity loss to ozone depletion. “To provide electricity to everyone would only increase CO2 emissions by 1 percent. “If we do pass some limit, like 350 [parts per million CO2] — what do we do?”