Less than 8% of India’s coal power plants can control SO2 emissions, a new analysis finds

The thermal sector holds a predominant position within India’s overall installed capacity

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

After a brief lull, Hawaii’s Kilauea volcano erupts again

Sulphur dioxide can combine with the environment to form volcanic smog, which is dangerous to health

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 …

Only 5% of India’s coal-based thermal power capacity meets SO2 emissions norms: CSE report

None of the plants in the eastern states were found to be compliant   

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

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

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

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

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’

Mauna Loa wakes up after almost 40 years; eruption’s duration uncertain, say scientists

As the volcano has not erupted for such a long period, the eruption might be of a longer duration, according to scientists

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 …