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

Ozone layer to recover in 4 decades but aerosol injection may undo gains: UNEP

The success of the Montreal Protocol can inspire climate action, say scientists

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  

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 …

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 …

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

HFC phase down amendment favourable but not perfect

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

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

India asks developed countries to practice what they preach at HFC phase-down amendment negotiations

The five baseline proposals submitted at the talks in Vienna have now come down to two

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

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

Cool ACs are not so cool

Getting the AC maths right is the real energy game-changer

India decides to put the brakes on HFO in foam sector for now

The government has instead proposed transition to cyclopentane in SMEs

The global impact of air conditioning: big and getting bigger

More ACs means more refrigerants that are potent greenhouse gases

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

BIS to revisit safety standards on use of hydrocarbons in fridges and ACs

CSE had recommended amendments to a standard which would allow wider use of the refrigerant

G7 countries discuss HFC phase down amendment

G7 meeting stresses the need for HFC amendment by the end of this year

Reviewing refrigeration standards

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

A monopoly like none other

An amendment to the Montreal Protocol without addressing IPR issues of HFOs would mean that the entire MAC sector would be at the mercy of three …

Negotiations on Montreal protocol one step closer to phasing out HFCs

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

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

Negotiations pick pace as US proposes amendment text on exempted countries

The amendment text proposed by the US allows HFC exemption for 34 countries, mostly from the Middle East and Africa

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

HFC Phase down negotiations to continue in Geneva

Negotiations to focus mainly on HFC phase down and amendment proposals

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