Pollutant levels drop in central London 17 years after carbon tax introduction
Marylebone, Bloomsbury and Westminster had lower levels of carbon monoxide, nitrogen dioxide and sulphur dioxide in 2020, compared to 2003, a …
Despite the climate crisis, Scotland is burning as much carbon-rich peatland as it did in the 1980s
On average, 1,900 hectares of peatland are burned each year
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
Vehicle inspection programme needs an overhaul
The government needs to prioritise monitoring on-road emissions of new generation vehicles
World’s largest steel maker to use rabbit microbe to turn emissions into fuel
The project will annually produce fuel that is enough to run half a million cars
Clean cooking: Can we think beyond LPG?
Availability of LPG is largely dependent on imports and may not be a sustainable alternative for a clean cooking fuel
India witnessed worst levels of human-induced air pollution during 2018-2021: Study
Delhi, Kolkata, Mumbai, Pune and Chennai recorded huge fluctuations in terms of air pollution
Why indoor pollution is as deadly as its outdoor counterpart
With the continual improvement in our quality of life, indoor air quality has become an important area of concern in the 21st century
Spike in deaths, mental health concerns: Report flags consequences of wildfires
Between 1997 and 2016, the global mean carbon dioxide emissions from wildfires were approximately 22% of carbon emissions from burning fossil fuels
WHO raises the bar on clean air
The WHO seeks significant tightening of clean air benchmarks for near zero tolerance for particulate pollution and to protect public health
Nitrous oxide human emissions increased 30% in 36 yrs: Report
43% of total emissions of nitrous oxide, a greenhouse gas 300 times more potent than carbon dioxide, came from human sources, the report said
Time to go solar
Dependence of high-rises on diesel generators has turned them into virtual power plants that spew harmful greenhouse gases. Setting up solar …
New reactor powered by sun can convert plastic, CO2 into fuel
Cambridge researchers find way to turn PET plastic bottles and carbon dioxide into sustainable fuels like CO, syngas or formate
New York gets US $350 million to check congestion
Supreme Court bans sale of firecrackers in Delhi, NCR
The licences of existing firecrackers sellers will be suspended and the government will not issue new licences
Search for a good hearth
While cook stoves in India are becoming fuel-efficient, they are not improving air quality, finds study
Transport costs
Four-stroke complements CNG
Converting two-stroke autorickshaw engines to CNG not wise
Science and Technology - Briefs