Pollutant Current Affairs, GK & News

Debayan Saha invents PM 2.5 device to curb air pollution

Debayan Saha, a mechanical engineering graduate from IIT Kharagpur, has invented a device called “PM 2.5” which he claimed when fitted near the silencer pipe in vehicles will curb air pollution. The technology developed by him uses a combination of electric energy and wave energy to influence the pollutants like PM 2.5 such that they ..

Topics: Air pollution • Contents • Indian Institute of Technology Kharagpur • Nature • Particulates • Pollutant • Pollution • Silencer

WAYU launched by Union Government for traffic junctions

Dr Harsh Vardhan, the union Minister of Environment, Forest and Climate change (MoEF&CC), has inaugurated air pollution control device – Wind Augmentation Purifying Unit (WAYU) at ITO in New Delhi. WAYU is developed by Council of Scientific and Industrial Research –National Environmental Engineering Research Institute (CSIR-NEERI) to mitigate air pollution at traffic junctions. The prototype ..

Topics: Air pollution • Building biology • Contents • Council of Scientific and Industrial Research • Environmental engineering • Environmental health • Ministry of Science and Technology • National Environmental Engineering Research Institute • Pollutant • Pollution • Volatile organic compound

Urban Heat Island

The urban heat island is a phenomenon when the heat gets trapped near the earth’s surface as a result of a decline in green cover, rapid urbanisation, energy-intensive activities, and concrete structures. Urban heat islands can have worse air and water quality than their rural neighbours. UHIs often have lower air quality because there are ..

Topics: Air pollution • Climate forcing • Cultural globalization • Environmental science • Pollutant • UHI • Urban heat island • Urbanization • Water