Does tropical ozone hole exist? Experts are divided

Tropical ozone hole is about seven times larger than Antarctica and it appears across all seasons

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 …

NASA’s satellite observations provide first direct evidence of ozone hole recovery

The recovery of ozone hole is attributed to a ban on chlorine and chlorine compounds under the Montreal Protocol

Climate variability may explain annual spike in ozone-destroying gas: Study

Forest fires fuelled by the El Niño Southern Oscillation (ENSO) phenomenon might be responsible for the short-term spikes in methyl bromide,…

What do the top climate change stories of 2021 tell us

Global warming worryingly close to lower limit set by Paris Agreement: WMO

The risk of losing the race against climate change becomes real as temperature rise globally likely to breach 1.2 degrees by the end of 2016

The disturbing Ozone alert

Tracking the phase out of ozone depleting substances

China continues to use ozone depleting CFC-11 in violation of Montreal Protocol

Between 40 and 60 per cent of total global CFC-11 emissions originate from Eastern China, reveals study. This is no good news for the ozone layer …

Ozone hole smaller than 1990s level; scientists study reasons behind trend

NASA records reduction in ozone depletion as compared to 1998-2006 levels

Natural burden

Ozone: good news and bad news

Hole in the ozone layer is healing, but ground level ozone is destroying crops that could feed a third of India’s poor

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 …