World Ozone Day: Forest fires pose new threat to ozone layer
Study finds black carbon due to frequent, widespread wildfires may be widening the ozone hole
Does tropical ozone hole exist? Experts are divided
Tropical ozone hole is about seven times larger than Antarctica and it appears across all seasons
Antarctic ozone hole — one of the largest, deepest — closes
The annually occurring ozone hole over the Antarctic had rapidly grown from mid-August 2020 and peaked at around 24 mln sq km
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 …
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 …
Ozone-destroying greenhouse gas emissions from China increased significantly: Study
After 2012, emissions of dichloromethane from China accounted for 50–60 per cent of the global total
Ozone pollution increases male-male courtship in common fruit flies: Study
High level of ozone leads to drop in sex-determining pheromones
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
Saving the Ozone
Starring [LTOR] Brian Gardiner Jonathan Shanklin and Joseph Farman
Antarctic ozone layer hole keeps shrinking in 2022: NASA, NOAA
Ban on chemicals adopted by Montreal Protocal attributed to gradual ozone layer recovery
Ozone layer recovery may take several lifetimes. But Montreal Protocol saved the Earth
The stratospheric ozone layer absorbs a portion of the ultraviolet radiation from the sun, preventing it from reaching the surface of Earth
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
Parts of US, Europe and Asia still grappling with problem of high level of ozone pollution
Parts of southern Europe, South Korea, Japan and China are experiencing more than 15 days a year of ozone levels above 70 ppb
Iodine drives substantial ground-level ozone loss in Arctic, climate change altering natural processes: Study
Such high concentrations of Iodine was not seen in Arctic before, say scientists
The disturbing Ozone alert
Tracking the phase out of ozone depleting substances
Bushfire smoke eats up the ozone protecting us from dangerous radiation. The damage will increase as the world heats up
We’re likely to see falling ozone concentrations in new places rather than just around the South Pole
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
Down To Earth wins prestigious Ozone Awards for best media coverage
The jury chose Down To Earth for its extensive and incisive reportage on ozone spanning over 25 years
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
Orbital eccentricity
Changes in nature of Earth’s orbit tend to drive glacial cycles
Chink in the armour
Recent measurements show that protective ozone levels in the atmosphere touched a record low early this year
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,…
HFC Phase down negotiations to continue in Geneva
Negotiations to focus mainly on HFC phase down and amendment proposals
During wind and rain
When the wind velocity is constant, expect rains and storms