Sourced from TED, July 2010
'Human growth has strained the Earth's resources, but as Johan Rockstrom reminds us, our advances also give us the science to recognize this and change behavior. His research has found nine "planetary boundaries" that can guide us in protecting our planet's many overlapping ecosystems.
Johan Rockstrom is a leader of a new approach to sustainability: planetary boundaries. Working with a team of 29 leading scientists across disciplines, Rockstrom and the Stockholm Resilience Centre identified nine key Earth processes or systems - and marked the upper limit beyond which each system could touch off a major system crash. Climate change is certainly in the mix - but so are other human-made threats such as ocean acidification, loss of biodiversity, chemical pollution.'
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