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 …
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 …
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
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,…
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
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
A rapidly growing rocket industry could undo decades of work to save the ozone layer — unless we act now
The ozone layer is on track to heal within four decades, which can be undone by an upsurge in rocket launches
Ozone pollution can damage wheat crop
Banaras Hindu University scientists found that most wheat cultivars developed after 2000 are more sensitive to damage due to ozone, a byproduct …
How Chinese foam manufacturers are undermining the Montreal Protocol
To save on the higher cost of alternatives, Chinese foam manufacturers are using banned chlorofluorocarbons that are considered more …
Good news! Recovery of ozone layer achieves significant milestone
Levels of ozone-depleting substances in 2022 are back to those observed in 1980 before ozone depletion was significant
Earth’s magnetic field broke down 42,000 years ago and caused massive sudden climate change
The ozone layer was destroyed, electrical storms raged across the tropics, solar winds generated spectacular light shows, Arctic air poured …
Why ozone levels pose a challenge to food security
When present in the lowest atmospheric layer, ozone becomes a concern for human and plant health.
July heatwave triggers air pollution in UK
Ozone levels increased significantly and exceeded World Health Organisation recommendations, the researchers found after drawing on a national …
‘The burning of the Amazon will not alter wind patterns’
Down To Earth spoke to meteorologist U C Mohanty about the impact of the Amazon fires on global warming and wind patterns
Climate crisis: Oceans may emit more ozone-depleting gases
MIT researchers note that oceans would emit more CFC-11 by 2075 than they absorb, and emit detectable amounts of the chemical …
Air pollution may cause ‘silent’ miscarriages risk: Study
The risk of missed abortion in the first trimester increases with exposure to PM 2.5, sulfur dioxide, ozone and carbon monoxide in older women, …
Pollution in news on April 12
Here’s a round-up of today’s news reports and developments on pollution
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
Diwali 2021: Elevated levels of toxic gases in smog, in addition to particulate matter, says CSE
Average daily contribution of stubble fire smoke from mid-October to early November lowest in the last four years
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 …
China’s anti-pollution measures have backfired
A new study says China’s efforts to bring down PM 2.5 concentration has in turn led to a spike in Ozone pollution
Heatwaves leading to ozone pollution, says WMO report
Climate change continues to increase heatwaves’ intensity; extreme heat ‘compounded’ measurably impacts air quality, it adds
Greenhouse gas emissions from man-managed grasslands similar to global croplands
Study highlight need to use sustainable management to preserve and enhance soil carbon storage of grasslands