Professor Paul Crutzen – interview

Paul Crutzen wishes for a better understanding of the process

1. In your opinion which are the major scientific breakthroughs within  the field of sustainable development during the last 20 years?
The theories that were developed to explain the polar stratospheric ozone hole were confirmed by measurements.
They showed that they are due to industrial emissions of chlorine and bromine containing organic gases 

2. What do you predict/hope will be the most important scientific progress of the future?
A better understanding of the processes, which lead to climate change, especially in the polar regions.

3. What is the single most important sustainable challenge right now?
What will be the outcome of the Copenhagen negotiations regarding ‘global change’.

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