Chlorofluorocarbons
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
NZ signs international agreement on greenhouse gases
16 Oct 2016
New Zealand industries using a harmful greenhouse gas will have to switch to more environmentally friendly systems under a new international agreement.