wtorek, 5 lutego 2013

"Ted Talks"

"Ted Talks"

"If Earth is a self-regulating system, it's clear that human activity is capable of disrupting it. Johan Rockstrom has led a team of scientists to define the nine Earth systems that need to be kept within bounds for Earth to keep itself in balance..."

Johan Rockstrom

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.


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