Soot case

Worse than estimated

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, …

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

Black China

Soot particles are causing intensive droughts and floods in China

Caught in a haze

Indian scientists contest the UNEP report on the aerosol-caused Asian brown cloud

Raining misery

Millions of Africans die due to droughts caused by air pollution from industrialised countries

Aerosols affect cloud cover, says study

Air pollution affects rainfall in Indian Ocean region

Pollution has reduced rainfall in south Asia

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 …

Aerosol pollution may affect rainfall pattern

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 …

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

Hazy about untimely fog that caused blackouts

Aerosol advantage

Scientists claim that sulphate aerosols reduce global warming

Debate over Himalaya's temperature variations

For a drop!

Too many aerosols, too less rainfall

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

Silver lining?

Aerosols mitigate the effects of global warming in India during winters

Heat traps

Aerosols trap heat and increase temperatures

Power corrupts

Coal-based power plants caus haze over Indo-Gangetic plains

Picture imperfect

Aerosol research is still in its infancy. Further studies will reveal the definitive long-term impact of these tiny particles