Researchers from IISST used simple polymethyl methacrylate (PMMA) to partially correct a turbulent laser beam and restore its ...

Delhi's Anand Vihar woke up to a toxic haze as air quality plunged into the ‘severe’ category at 412 on Saturday morning, according to the Central Pollution Control Board (CPCB). However, overall, the ...

Delhi's sky turned grey and hazy a day after Diwali fireworks lit up the city. The air, toxic, making the national capital the "most polluted major global city". The pollution levels or the Air ...

Delhi air quality index today: The Air Quality Index (AQI) in Delhi and the National Capital Region (NCR) remained in the “very poor” category on Thursday morning, with Stage II of the Graded Response ...

After wildfires burn through urban areas, publicly available air quality assessments may not adequately warn people about harmful air pollutants. Expanding today’s air quality metrics requires more ...

According to the World Health Organization (WHO), air pollution is a contamination of the indoor and outdoor environment that is caused by chemical, physical or biological agents. As per data, 99 per ...

Readers respond to news and opinion articles about Bill Gates’s public memo on climate change. Also: Interfaith connections; the myth of originalism. Nations were poised to approve the first fee on ...