The damage caused by chlorofluorocarbons (CFCs) came to light in the 1980s when scientists discovered a huge hole in the ozone layer.
Since the ban on CFCs came into effect, the ozone layer has been recovering, but only very slowly. CFCs released from aerosol cans, refrigerators and air conditioning systems continue to damage layers of the stratosphere decades after their release.
Reuters - Innovations Video Online (Nov. 21, 2014) Cancer experts in Chile are warning people limit their exposure to the sun as dangerously high levels of ultraviolet radiation are expected over the next few months. A recently released report ... watch video
Reuters (Oct. 23, 2013) Engineering students in Gaza have designed a prototype ozone gas generator to sterilise hospital rooms, a difficult task in a country living with economic sanctions imposed by the surrounding state ... watch video
Newsy (Sep. 11, 2014) The Ozone layer is recovering thickness! Hooray! But in helping its recovery, we may have also helped put more greenhouse gases out there. Hooray?
Video provided by ... watch video
Reuters (Jan. 8, 2013) A Japanese-led project aims to drill to the Earth's mantle, a 3000 kilometer-thick layer of slowly deforming rock between the crust and the core. In its early stages, the $US1 billion mission would ... watch video
AP (Apr. 3, 2014) Schools have closed their playgrounds and ambulance staff are reporting a surge in breathing problems as smog blankets parts of England for a second day. Northern Germany was also affected with a ... watch video
July 31, 2015 The humble butterfly could hold the key to unlocking new techniques to make solar energy cheaper and more efficient, pioneering new research has shown. By mimicking the v-shaped posture adopted by ... read more
July 30, 2015 China needs to reduce its dependence on coal and improve the range of fuels it uses if it is to have long term energy security, according to new research. The study looks at the future of electricity ... read more
July 30, 2015 North of the Aleutian Islands, submarine canyons in the cold waters of the eastern Bering Sea contain a highly productive 'green belt' that is home to deep-water corals as ... read more
July 30, 2015 New findings have implications for questions regarding how animals and plants grow minerals into shapes that have no relation to their original crystal symmetry, and why some ... read more
July 30, 2015 A new study addresses an important question in climate science: how accurate are climate model projections? Climate models are used to estimate future global warming, and their accuracy can be ... read more
July 30, 2015 New research presents a virtual package of data for the production of biogas, which is promising for use in biofuels. Biogas is the production of methane through the anaerobic digestion ... read more
June 3, 2014 Two new chlorofluorocarbons (CFCs) and one new hydrochlorofluorocarbon (HCFC) have been found in the atmosphere by a group of scientists. Scientists made the discovery by comparing today's air ... read more
Mar. 9, 2014 Scientists at the University of East Anglia have identified four new human-made gases in the atmosphere -- all of which are contributing to the destruction of the ozone layer. New research reveals ... read more
Jan. 19, 2012 Extraordinarily cold temperatures in the winter of 2010/2011 caused the most massive destruction of the ozone layer above the Arctic so far: The mechanisms leading to the first ozone hole above the ... read more
Sep. 2, 2010 A new discovery could make it possible in future to identify the source of banned CFCs that are probably still being released into the atmosphere. They have also discovered the largest chlorine ... read more