Countries agreed to ban ozone-depleting chemicals in 1980s — but 5 CFCs are increasing to record levels in atmosphere

The 1987 Montreal protocol restricted the release of chlorofluorocarbons to the atmosphere

Antarctic ozone layer hole keeps shrinking in 2022: NASA, NOAA

Ban on chemicals adopted by Montreal Protocal attributed to gradual ozone layer recovery

Factsheet: HFCS - realising the potential for climate benefits from the Montreal Protocol

In 1987, the Montreal Protocol phased out the use of chlorofluorocarbons (CFCs), an ozone-depleting substance (ODS) used as coolants in …

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 …

Green chemistry is key to reducing waste and improving sustainability

Green chemistry prioritises safety, improving energy efficiency and, most importantly, minimising toxic waste from the very beginning

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

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 …

Leapfrog the chemical treadmill

Go straight to climate-friendly options for refrigerants

Ozone-smart, climate-cool

The gas game

Fluorocarbons, which created a hole in the ozone layer, have generated intense global debates. But these have been more about business than …

Air-cooled

Very soon, theftidge in your home could be cooling by air

Clean move

A move to limit the use of ozone-depleting substances is on the anvil

Unholy ritual

Antarctic ozone hole again starts expanding

THE UN ENVIRONMENT PROGRAMME

Ozone protection

Shortage of funds may prevent developing countries from phasing out CFCs

Eco-cool

An Indian firm introduces eco-friendly air conditioners and takes a step towards a future free from ozone holes

To fix the hole...

...India to get $82 million to phase out production of CFCs, an ozone-depleting substance

CFC phase out

Whole truth

Big Antarctic ozone hole recurrs

Passing the buck

The industry puts the onus of a clean environment on government agencies

Ecofriendly refrigerators

The first Indian refrigerator to meet Montreal Protocol standards is unveiled

Recovery of depleted ozone layer may take longer than estimated

FOLLOW UP

Eco-thriller

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

The hole truth

NASA discovers the largest ever ozone hole over Antarctica. A wake up call for industrialised countries to reduce greenhouse gas emissions