Negotiators meet in Kigali next week to agree a global phase-out of HFCs, which could prevent up to 0.5C of global warming
NEWS: Obama administration and businesses announce cuts to super-warming gases ahead of ozone layer treaty meet
NEWS: Countries could reach deal to curb production of potent warming gases this November after Senegal intervention at Bangkok meeting
NEWS: Delhi and Beijing drop opposition to talks on limiting use of climate-warming gases used in refrigeration
NEWS: NASA finds a banned ozone-depleting gas is still being emitted, in a blot on the Montreal Protocol’s record
NEWS: A deal to phase out potent greenhouse gases used for air conditioning and fridges is within reach but Saudi Arabia is concerned substitutes will not work
ANALYSIS: The Montreal Protocol could deliver quick, cheap pollution cuts if India and Gulf states get on board
India blocks international efforts to cut production of greenhouse gases used in air conditioning and refridgeration
Analysts warn that unless tough regulations are agreed, 100 billion tonnes of carbon dioxide-equivalent (CO2e) could be released into the atmosphere by 2050
Although scientists didn’t know it at the time, the efforts back in 1987 to stop ozone depletion have prevented drastic changes to climate and hydrological cycles
Proposal to tackle HFCs outside of the UN’s climate process finds wide support as nations look for quick cuts to global emissions
Agreement will see the production of potent gases linked to global warming phased out by 2030
Minamata Convention on mercury signed last week shows that multilateral environment deals can be done – but does this apply to talks on climate change?
Chemical giant behind HFC replacement chemicals says progress through the Montreal Protocol could represent huge climate change action
In 1987 states around the world united to cut the emission of dangerous gases that threatened the planet. 25 years later it is proving impossible to repeat the trick. Why?
Countries block HFCs phase-out at Montreal Protocol meeting in direct contradiction to the Rio+20 outcome document signed last month.