Atmospheric Chemistry and Climate in the Anthropocene

View Atmospheric Chemistry and Climate in the Anthropocene Atmospheric Chemistry and Climate in the Anthropocene Lindau-Nobel Paul Crutzen 2012

Presenter: Paul Krutzen

Published: July 2014

Age: 18-22 and upwards

Views: 503 views

Tags: atmosphere;chemistry;population;evolution;acid rain;ozone

Type: Lectures

Source/institution: Lindau-Nobel

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Despite their relatively small mass, 10% of the earth biosphere as a whole, generations of ambitious ‘homo sapiens’ have already played a major and increasing role in changing basic properties of the atmosphere and the earth’s surface.  Human activities accelerated in particular over the past few hundred years, creating a new geological era, the ‘Anthropocene’, as already foreseen by Vernadsky in 1928: the direction in which the processes of evolution must proceed, namely towards increasing consciousness and thought, and forms having greater influence on their surroundings.  Vernadsky’s predictions are more than fulfilled.  Human activities are affecting, and in many cases out-competing, natural processes, for instance causing the ‘ozone hole’, the rise of greenhouse gases with their impact on climate, urban and regional air pollution, ‘acid rain’, species extinction, with all their consequences for human and ecosystem health.

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