Primary pollutants are those that result from the burning of fossil fuels from automobiles, coal plants and organic matter.

Secondary pollutants like ammonium sulphate and nitrates in Kolkata's air, formed from vehicular, industrial, and ...

Kolkata: A new study by Centre for Research on Energy and Clean Air (CREA) revealed that nearly one-third of Kolkata's PM2.5 pollution is caused by se.

The report warns that these gases are forming toxic secondary pollutants, particularly ammonium sulfate, which accounts for ...

Campaigners Mums for Lungs have launched ‘Clean Air Schools’ – an accreditation scheme for schools who are willing to promote ...

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Delhi’s ground-level ozone, a harmful air pollutant, remained above safe limits throughout this summer, according to a study released Tuesday by the Centre for Science and Environment (CSE), a ...

The CISCE class 9 Environmental Science syllabus 2025-26 focuses on teaching students the basic concepts in Environmental Science, which is an important subject for further classes. The goal of this ...

Non-communicable diseases (NCDs) and mental health conditions are responsible for more than 43 million deaths annually. It is critical that the upcoming United Nations general assembly high level ...

Industry is the largest energy consumer in the world, but many companies are embracing electric technologies to create truly ...

A more-than-permitted amount of sulfur dioxide is being released into the air. Air quality remains safe, DNREC reports ...