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

Montreal Protocol leads to healing of Earth’s ozone layer hole

This achievement is majorly due to the Montreal Protocol of 1987 that regulates the consumption and production of nearly 100 human-made chemicals

Negotiations on Montreal protocol one step closer to phasing out HFCs

Slight progress made, much anticipated in the next meeting in July

HFC phase down: what is the relationship between cost and ambition?

Coming to a consensus on the relationship between cost and ambition will be crucial in determining the nature of the HFC phase-down amendment

Talks on Montreal Protocol amendment proposals begin

One of the major concerns in the discussion on fixing a baseline or freeze dates is the non-existence of data on HFCs by the developing countries

HFC phase down amendment favourable but not perfect

Questions around financing and acquisition of new generation fluoro-chemicals still remain

Charge size matters

An increase in maximum charge size limits for hydrocarbon refrigerants is needed for effective HFC phase down in India

Countries to negotiate final HFC phase-down amendment in Rwanda

Parties to the Montreal Protocol are expected to iron out their differences and arrive at a mutually acceptable amendment

Defining High Ambient Temperature crucial to HFC phase-down

A population weighted effective temperature model is being recommended by experts at the 37th Open-Ended Working Group meeting in Geneva

Warsaw Climate Talks: Day 11, November 21

China reminds parties of equity being key at Durban and the mandate for a workshop on equity and equitable access to sustainable development

Excluding mobile air conditioning from amendment may solve IPR issue in HFC phase down

Mobile Air Conditioning (MAC) sector is the main source of IPR impediment and accounts for only 8 per cent of global HFC emissions, finds a CSE study

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

Montreal Protocol: Some consensus on HFC-related challenges, but solutions still far fetched

From funding to technology assistance for phase out of ozone depleting substances, a lot is being debated

South Africa, Philippines break ranks with developing nations on HFCs

No decision yet on setting up contact group; discussion on amendments to the Montreal Protocol on HFCs moved to another day

Sugary drinks can be major cause for type 2 diabetes: study

Harmful effects of fructose sugars on blood glucose seem to be mediated by energy and food source, warns a review

America's HFC game plan

How the US is gaining support in apportioning of carbon space in the Montreal Protocol with bilateral agreements

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 …

What will be the outcome of scrapping the US Clean Power Plan on its INDC?

Will it be possible for President Barack Obama to maintain his so-called climate legacy?

MOP concludes with hope to bring amendment to phase down HFCs in 2016

Parties succeed in laying a path for the functioning of contact group on the feasibility and ways of managing HFCs in Montreal Protocol.

MOP: Challenges galore, but solutions few

On the second day of the meeting, developing countries raise concerns over the phasing out of HFCs; developed countries show little concern

Share of non-CO2 pollutants contributing to global warming almost as much as carbon dioxide: Study

World needs to target non-CO2 pollutants and CO2 pollutants to achieve climate targets, it added  

Meeting of Parties on Montreal Protocol begins in Dubai

Administrative and discussion on agenda items dominate the first day of MOP

Montreal Protocol: India and others block discussions on HFCs

Indian Environment Minister Prakash Javadekar asks developed countries to initiate collaborations to make the alternatives to HFCs more cost …

Discussions on HFCs at Montreal Protocol: one step forward, two steps back

No progress in discussions on HFCs in the “informal group” constituted following discussions in the plenary

Safeguarding Ozone and Earth

As we celebrate the 22nd International Day for the Preservation of the Ozone Layer, Down To Earth takes a look at what should be done to …