Heatwaves leading to ozone pollution, says WMO report

Climate change continues to increase heatwaves’ intensity; extreme heat ‘compounded’ measurably impacts air quality, it adds  

For the first time, study establishes link between PM 2.5 and breast cancer

A study on US women found that for every one unit increase in PM2.5, the risk factor for breast cancer increased by 4 per cent

Team break-up may turn tables

With many members of India's much appreciated delegation to the 1992 Earth Summit being posted to other duties, lndia needs to plan now to face …

Sun plays marginal role in global warming

Variations in solar radiations contribute little to global warming and researchers say efforts to check the phenomenon must focus on greenhouse gases.

Coating Autonomy With Colonialism

In the year of UNCED, the green movement continued to take tosses in the global context. The perception of the environmental crisis as mainly …

Indian report will stir up Copenhagen meet

An Indian government report that criticises and asks for several amendments in the Montreal Protocol is expected to generate heated debate among …

All for a better future

More than 100 nations of the Global Environment Facility (GEF) met in the capital to chalk out plans for a better, sustainable future

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 …

Science & Technology - Briefs

What do the top climate change stories of 2021 tell us

‘Montreal treaty saved world’s ozone layer’

Data from NASA suggests the hole will be repaired by the end of 21st century

Counting losses

A new instrument makes the task of monitoring ozone levels easier

A green touch

TOGO

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

Did a supernova trigger the late Devonian extinction?

Earth suffered an intense loss of species diversity that lasted for at least 300,000 years, possibly caused by long-lasting ozone depletion, …

How dust storms are adding to pollution woes of north India

Such storms lead to increase in surface ozone, particulate matter as well as harmful greenhouse gases

Chloroform emissions may slow down Ozone layer recovery

MIT study traces rise in emissions to eastern China, where it appears that production using chloroform is on the rise  

In Delhi, deadly air pollution is never out of season

After a deadly smog episode in winter, the city witnessed severe ozone pollution this summer, followed by a spike in PM10 level due to pre-…

Living with the Devil's Element

BBC's film on chlorine is more successful in underlining the vital role it plays in daily life, rather than in detailing why it should be banned

A long-term perspective on global warming

Global Warming: The Economic Stakes William R Cline Publisher: Institute for International Economics, Washington, May 1992 Pages: (xi) + 103 …

Unhappy compromise over atmosphere

Though the bracketed chapter on atmosphere was resolved in Rio, OPEC nations continue to feel dissatisfied

Science and Technology - Briefs

2023 in a blink: 10 groundbreaking science photos of the year

Step into the captivating realm of scientific discovery with our curated gallery featuring the most compelling science photographs of 2023. Each …

No laughing matter

West blames rising nitrous oxide levels for future depletion of northern mid-latitude ozone