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 …
Poor air quality can affect pregnancy, raise death risk
High level of pollutants in air is responsible for one of every nine global deaths, totaling over seven million premature deaths a year, …
Climate models, ground assessments return differing readings of aerosol concentration: Study
Investigating the causes behind the differences necessary for more accurate results, say experts
Modelling study shows how controversial geoengineering may affect global food production
Process includes injecting sulphur dioxide into atmosphere to reduce global temperatures; may lead to inequities in food production
Aerosol levels at 20-year-low in north India: NASA satellite data
Scientists compare aerosol optical depth measurements over the country between March 31 to April 5 for five years
How aerosol formation helps brighten clouds, balance climate
The formation of new particle covers about 40 per cent of the Earth’s surface
Indian monsoon has intensified since 2002; trend will persist in coming years: study
The heightened monsoon activity has reversed a 50-year drying period during which monsoon season brought relatively little rain
Delhi may see another peak pollution episode around the New Year: Experts
Episode to occur due to enhanced local emissions and secondary aerosol formation under favourable meteorological conditions
Satellite study finds ammonia hotspots over agricultural areas
Ammonia concentration in the atmosphere over India is the highest in the world due to cattle population and excessive fertilizer use, says study
How much do industrial aerosols contribute to global cooling? New study offers clues
A higher abundance of sulphate aerosols in the preindustrial atmosphere means anthropogenic sulphate has a relatively small cooling effect
Major wildfires in western US can increase severe storms in central states: Study
Climate change has been a major factor in increasing the risk and extent of wildfires in the western United States
Picture imperfect
Aerosol research is still in its infancy. Further studies will reveal the definitive long-term impact of these tiny particles
Tracking aerosol built-up in the country through satellite images
While air quality bulletins recently highlighted north India’s dust problems, satellite reanalysis data show the problem of toxic Sulfate …
Alarming pollution levels a threat to West Africa's weather
Atmosphere above the region is still one of the least studied and understood on the planet, says research
Antarctic ozone layer hole keeps shrinking in 2022: NASA, NOAA
Ban on chemicals adopted by Montreal Protocal attributed to gradual ozone layer recovery
COVID-19: What does air-borne transmission mean for air conditioning
Given the evolving nature of advisories, cutting down on use of air-conditioners is the most logical and economic thing to do
Aerosols increase drought severity over the Indian subcontinent
El Niño weakens the monsoon by transporting aerosols from lower altitudes in East Asian region up and into the higher altitudes, finds a …
Unmasking aerosols
Forget health impacts, tiny particles floating in the air are altering regional climates and affecting monsoon patterns and agricultural yield. …
Toilets spew invisible aerosol plumes with every flush — here’s the proof, captured by high-powered lasers
Aerosol particles containing pathogens are important human disease vectors
Soot case
Worse than estimated
Aerosol pollution has huge impact on India’s infant mortality, crop productivity: Study
Regional weather patterns & topography to blame, shows analysis
Noxious ways?
Pollution from Africa and Indonesia reaches Indian Ocean region in monsoon transition periods
Watered down
Aerosols could be wrecking havoc with the Earth's water cycle
Caught in a haze
Indian scientists contest the UNEP report on the aerosol-caused Asian brown cloud
Black China
Soot particles are causing intensive droughts and floods in China