The Trump administration is set to ratify the Kigali Amendment to phase down potent warming HFC gases, while helping fund poor countries to make the switch
Climate coalition of rich, poor and emerging economies aims to secure an ambitious deal this year to phase out HFC gases
NEWS: Obama administration and businesses announce cuts to super-warming gases ahead of ozone layer treaty meet
NEWS: US special envoy for climate change spells out what his country hopes to achieve in the UN’s climate change deal
NEWS: India stance on highly polluting gas appears to soften as countries meet for ozone treaty discussions
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?