Debate renewed on blame for global warming
THE 1990-91 edition of World Resources, brought out by the Washington-based World Resources Institute (WRI), concluded developing countries as a …
Atmospheric chemistry shifts blame around
Research in atmospheric sciences is booming because of the impending threat to4he world's climate. Every month there is a new study showing new …
Fig leaf for the business world
That is what the Montreal Protocol, meant to do away with ozone depleting substances, has become. India's phase out programme under the protocol …
Nobel winner Paul J Crutzen on the neglect of nitrogen cycle
Paul J Crutzen received the 1995 Chemistry Nobel prize for showing that nitrogen oxides react catalytically with ozone, thus accelerating …
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
Ozone Day 2023: Why the South Pole has set alarm bells ringing this year
After a record-low sea ice cover, Antarctica saw one of the largest ozone holes ever reported this August, highlighting the changing nature of …
WMO revives ozone-UV bulletin after 7 years, shows steady recovery of ozone layer
Strong signs were recorded that indicate the ozone layer over the Antarctic region is recovering, according to latest update
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
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 …
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
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
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,…
World Environment Day 2023: CSE finds ground-level ozone pollution in Delhi-NCR all-year problem, persists at nights too
New Delhi and South Delhi areas were worst affected by ground-level ozone between March 1, 2023 and May 30, 2023
Delhi-NCR witnesses major spike in ozone levels with progress of summer: CSE
Increased emission from vehicles and growing heat stress has accelerated formation of ozone
A bracketed meeting in Geneva
The latest meeting to decide upon funding for the ozone protocol ended up with the developed nations foiling the basic demands of the G-77 …