Reviewing refrigeration standards

There is an urgent need to assess flammable refrigerants with changing technology

Is ozone layer depletion a ‘solved problem’?

On the International Day for the Preservation of the Ozone Layer, here is a reminder of how continued adherence to norms is key if we don’t …

Montreal Protocol talks begin on a positive note in Geneva

Negotiations to phase down HFCs continue from where they were left at in Dubai last year

HFC Phase down negotiations to continue in Geneva

Negotiations to focus mainly on HFC phase down and amendment proposals

Ozone layer recovery may take several lifetimes. But Montreal Protocol saved the Earth

The stratospheric ozone layer absorbs a portion of the ultraviolet radiation from the sun, preventing it from reaching the surface of Earth  

Factsheet: HFCs - Safe for Ozone, yet a Potent Greenhouse Gas

Montreal Protocol, the multilateral treaty to protect the ozone layer, has been a successful environmental agreement. But animpasse over …

Eco-thriller

Film>> Ozone Killers directed by Heinz Greuling and Thomas Weidenbach

World Ozone Day: Forest fires pose new threat to ozone layer

Study finds black carbon due to frequent, widespread wildfires may be widening the ozone hole

How a saviour of the ozone hole became a climate change villain – and how we're going to fix it

HFCs were created to replace ozone-damaging chemicals, but they turned out to be major contributors to climate change

MOP 28: Countries close to agreeing on a dual baseline for HFC phase down

Experts suggest that this could lead to a change in the status quo of differentiation mechanism for Montreal Protocol parties

Antarctic ozone hole — one of the largest, deepest — closes

The annually occurring ozone hole over the Antarctic had rapidly grown from mid-August 2020 and peaked at around 24 mln sq km  

Old demons remain, new emerge

Developing nations warn any move to reinterpret UNFCCC will be counterproductive

Climate of irrationality

Developed and developing countries are divided over regulating super greenhouse gases under Montreal Protocol