Report on ozone research in the 3sat television broadcast "nano"

Twenty years of CFC-free fridge! What is the result of the Montreal protocol?

Scientists from Jülich report in "nano" about the current state of the research on the ozone hole.

The telecast is available online at the "3sat Mediathek" (in German language):
http://www.3sat.de/mediathek/index.php?display=1&mode=play&obj=35420