Sulfur pollution from coal, gas insanely bad; but chemistry innovation can clean up
Unlike its carbon-based counterparts, sulfur dioxide is not considered a major greenhouse gas and doesn’t get as much attention in the media
Huge increase in open-loop scrubber usage in ships: Report
Open loop scrubbers release sulphur exhaust that they clean in ships back into the sea and are thus more harmful than closed loop scrubbers
Tonga volcano wave was 9 times taller than Japan tsunami: Experts
It was nine times higher than the tsunami recorded near Japan in 2011, which caused massive destruction as it happened closer to land
Kolkata's smog is a challenge of complex chemistry and action
The city needs to build up on its strengths to tackle smog episodes
Will Tonga volcanic eruption affect global climate?
The Tonga volcanic cloud contains roughly 0.4 Teragram of sulphur dioxide and has reached an altitude of 30 km, which will not have a significant …
Sulphur dioxide from Caribbean volcano reaches India, WMO confirms
Volcanic emissions reaching the stratosphere can have a cooling effect on global temperatures
India emits the most sulphur dioxide in the world
Five of the top 10 SO2 emission hotspots from coal/power generation industry across the world are in India, finds a Greenpeace study
Is China worsening the developing world's environmental crisis?
Pollution is killing people in the developing world at an alarming rate. While there are many reasons for this, one looms large: China
Delhi-NCR’s clean air action plan floundering: CSE
Thermal power plants will not be able to meet emission norms by 2019 and brick kilns’ conversion to a cleaner technology will not lead to …
Share of non-CO2 pollutants contributing to global warming almost as much as carbon dioxide: Study
World needs to target non-CO2 pollutants and CO2 pollutants to achieve climate targets, it added
SC refuses to extend pollution norms deadline for power producers
The association of power producers sought extension to deadline for meeting pollution norms to 2024 from 2022
NASA satellite that revealed ozone holes completes a decade in space
Aura has been sending data which has been invaluable in improving our understanding of pollutants
Concentration of air pollutants significantly increasing over India: IPCC
Just effective decarbonisation policies not enough to bring SO2, NO2, O3 and NH3 to safe levels; clean energy and waste management would be needed
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
CSE disputes CEA’s study urging relaxation of SO2 norms for thermal plants
‘The study is incomplete and its findings invalid’
Environment takes back seat: MoEFCC extends SOx compliance deadline again
Non-retiring plants get 2-year extension, retiring plants get till 2027
Environment ministry finalises coal thermal power plant categories: What does it say about emission norms compliance
The Union ministry releases list of coal thermal power plants and their categorisation in line with its April 2021 notification
CPCB confirms COVID-19 lockdowns helped clean up Delhi air
PM2.5 levels dropped by 50% during the lockdown in the national capital, a new CPCB study said
Maharashtra, Gujarat top sulphur dioxide polluters in India
India is the world's largest emitter of SO2. Of the 45 hotspots in India, emissions at 43 are due to coal-based electricity generation, while …
Why we need a new lens to clear the air
Science may have become our only crutch against bad air, but it is time we invented a new politics of space that privileges the walker and the cyclist
Delhi-NCR air under emergency for a day & a half, yet no action
Only 16% complaints related to air pollution resolved between October 15 and November 4. Monitoring was closed after 9:30 pm on November 5
Coal burning responsible for heavy air pollution in India: IEACCC study
Implementing emission norms, running clean coal power need of the hour, the study says
Power ministry asks MoEF&CC to dilute emission norms for coal-based power stations
The norms have been awaiting implementation since 2017 although they were first notified in 2015
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
India didn’t need to let power producers emit more of deadly oxides of nitrogen; here’s why
Limiting NOx emission at 300 mg / Nm3 is doable, claims Finnish state-owned Fortum Oyj; Environment ministry relaxed norms to 450 mg / Nm3 in October
