Cf Cs
Ozone holes & UV radiation
26 Nov 2020
NIWA's Richard Querel talks about the ozone hole, including this year's large one, and Ben Liley explains why NZ has such high UV levels. Video, Audio
Ozone holes & UV radiation
26 Nov 2020
NIWA's Richard Querel talks about the ozone hole, including this year's large one, and Ben Liley explains why NZ has such high UV levels.
Video, AudioOur Changing World for 26 November 2020
26 Nov 2020
NIWA experts explain the science behind this year's large ozone hole and New Zealand's high UV levels. Audio
Banned CFCs detected in atmosphere
18 May 2018
CFCs (chlorofluorocarbons) are banned because of the damage they do to the Earth's upper atmosphere. But alarmingly it seems that CFC manufacture may not be a thing of the past. Emissions of CFC-11… Audio
