Kolkata's smog is a challenge of complex chemistry and action

The city needs to build up on its strengths to tackle smog episodes

Air quality improved in parts of Africa due to dip in fires

In the dry months between November and February, there was a 4.5 per cent decline in nitrogen dioxide (NO2) concentration

Pollution in cities damaging insects and ecosystems: study

Research reveals plants and insects exposed to high levels of nitrogen dioxide–a major component of smog–produce more defensive …

Scientists identify genes to improve fertiliser nitrogen use efficiency in rice

Every year, urea worth Rs 50,000 crore is lost from Indian farms, with rice and wheat accounting for about two-thirds of it

Eighth Global Nitrogen Conference focuses on sustainable development goals

Assessing and managing nitrogen compounds sustainably will be crucial to achieve the 17 UN SDGs targeted for 2030

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 …

India has three of the world’s 50 nitrogen emission hotspots

The latest Greenpeace analysis finds areas in Delhi-NCR, UP, MP and Odisha as the biggest contributors of nitrogen pollution in India

The dominant survives

Increasing nitrogen levels will pit plants against each other

Long-term NO2 exposure affects lung function: Study

A study carried out for five years in a residential area of Mysuru found sustained exposure to nitrogen dioxide reduced lung function and …

Air pollution factor in girl’s death: UK court ruling can set precedent for India

United Kingdom court December 16 concluded air pollution exposure, along with asthma and acute respiratory failure, was the major cause of death …

Air pollution: Half of India’s death toll in these 5 states

Uttar Pradesh has the largest burden of both ambient, household air pollution 

Nitrogen dioxide pollution reduces across north equatorial Africa in dry season: Study

The researchers found that the area's socioeconomic development aided the dip in NO2 levels

New study links rate of COVID-19 spread to PM 2.5 concentration in ambient air

Presence of secondary pollutants such as nitrates and sulfates increase the reproduction rate of the virus SARS-CoV-2, according to the study

Twindemic: What we know about the link between air pollution, COVID-19

Air pollutants can carry the novel coronavirus’ genetic material; air pollution also increases susceptibility to COVID-19 andother ailments …

‘Tighter regulations needed on nutrient effluents’

Here’s N Raghuram, chairman of International Nitrogen Initiative, speaking with Down To Earth about the viability of United Kingdom’s …

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

We have breached the planetary limit for nitrogen

India is under the grip of nitrogen pollution, finds the country's first assessment on the impacts of the nutrient

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

Lockdown 2.0 vs lockdown 3.0: NO2 levels spike in Delhi

A change in 24-hour average between the two weeks showed that the overall weekly average level increased by 19%

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

Unsafe in womb

Exposure to particulate matter during pregnancy harms foetus

Long commuting in metros can harm eyes

Transport costs

COVID-19 lockdown: Why battle against air pollution needs to continue

Air crisis will spiral if it’s not contained long-term and if mitigation actions are diluted to make up for time lost during lockdown