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 ...

The package includes $13.5 billion to reimburse states for border spending. It is expected to meet resistance in the House ...

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 ...

President Trump will host Prime Minister Benjamin Netanyahu of Israel at the White House on July 7, a U.S. official said.

The 5-story facility would be the largest distribution center in the city, which has logistics facilities as large as 1.5 million square feet.

The past several years have been marked by an increase in the frequency and severity of wildfires in the western United ...

“Repairs to the Orwell Bridge are causing us major problems because our fleet of vehicles are being held up, which is ...

According to our results, primary and secondary pollutants had large variations at different sites of Lahore. The weekly average of PM 2.5 showed that concentration range of PM 2.5 at Wagah border was ...