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

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

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

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