78% cities recorded ‘good’, ‘satisfactory’ AQI during COVID-19 lockdown: CPCB
The CPCB monitored 115 cities between March 16 and April 15; NO2, SO2 emissions reduced significantly
Delhi air less toxic amid COVID-19 lockdown
Average PM 2.5 level during 4 weeks of lockdown lowest on record outside monsoon since 2016
Not ‘go slow’, need more certainty in electric vehicle pathways
The auto industry slow down must not provoke reactive posturing but spur a firm policy roadmap and a legal mandate in consultation with the …
IIT Hyderabad scientists convert fly ash into waterproofing material
Treating fly ash with stearic acid, used in soaps and shampoos, modified the nature of fly ash and helped develop materials with contrasting …
Why Kashmir University should prefer footfalls over whizzing cars in its campus
The university recently declared a war on black carbon through a decision to ban fuel-burning vehicles in the campus. The decision has gone down …
Delhi notifies guidelines for scrapping vehicles, but some issues remain unaddressed
The guidelines should make periodic testing of roadworthiness of vehicles mandatory and link the scrapping process to deregistration of vehicles
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 …
Heat wave leads to deadly ozone pollution in Delhi: CSE analysis
Rising NOx levels and volatile gases in the air, primarily from vehicles, form the recipe for ozone
Ironing out pollution
A recently-developed cheap and environmentally-benign iron compound helps dispose of polluting nitrogen oxides
Flight to fame
A joint consortium by 3 Asian nations to build a passenger aircraft may shake the Western stranglehold
Grounding fliers
Environmental activists are fighting against the dramatic expansion of air traffic in the Netherlands
Tough time, safe landing
Results of simulated landings using the global positioning system show that planes can now land safely even in zero visibility
Noise enfolded
Muffling the sound made by a supersonic jet during take-off could bring calm to areas where air traffic is high
Sniffing out the killers
They are tiny and remote-controlled. And these sniffer planes will soon fly into biowarfare danger zones
Off with flying colours
A new software increases flight safety by helping pilots calculate their take-off speeds more accurately
Air pollution: a shift in crisis
While air pollution from the coal sector is coming under control, vehicular emissions are becoming the bane of Chinese cities
Air pollution kills: Study counts 100,000 premature deaths in 8 Indian cities
Air pollution-related fatalities in Mumbai, Bengaluru, Kolkata, Hyderabad, Chennai, Surat, Pune and Ahmedabad from 2005-2018
UP Assembly Elections 2022: Political parties oblivious to climate change, pollution
Survey finds ecological concern among most urban voters, but key players BJP, SP shy away from commitments
Toxic air attacks wombs and cradles in India, kills 12 kids every hour
The WHO study is a wake-up call for the government to act as it shows an undeniable link between air pollution and major health risks
SC judgment on firecrackers: Execution a major challenge
Here’s an analysis of how the apex court's recent judgment has a lot of ground to cover
Across cities, commuters are giving metro a miss: CSE
Besides Delhi, cities such as Kochi, Lucknow and Chennai have seen a massive drop in projected ridership
Transport-related emissions in megacities: Delhi on top, Bhopal emits the least
Urban commute in even smaller cities is becoming highly polluting and energy-intensive, finds CSE’s latest analysis
A giant backing out?
Mercedes-Benz has put on hold investments in India due to ban on sale of larger diesel vehicles in Delhi-NCR
Toll contractor refuses to levy ‘green tax’ on trucks in Delhi
Says collecting tax from trucks entering Delhi as ordered by Supreme Court is 'an impossible task'
Air pollution and our right to clear air
As Delhi’s air pollution levels reach alarming highs, even non-smokers in the city have started developing smokers’ lungs. But the …