US to ban use of greenhouse chemicals that have cleaner options
Move to reduce carbon dioxide emissions by up to 42 million tonnes by 2020
Clear the air
Study confirms pollution is linked to low rainfall
National Clean Air Programme missed 2024 target to push back pollution, study shows
Durgapur in West Bengal deteriorated most; Varanasi in Uttar Pradesh saw most improvement during 2019-2024
US to lead climate coalition to reduce non-CO2 pollutants
Aims to slow down global temperature rise by 0.5°C
Hong Kong shows improvement in air quality
Catalytic converters in vehicles bring down emission levels
Carcinogenic benzene levels peak in Delhi
Petrol pumps and heavy traffic locations worst affected
Countries launch measures to curb greenhouse gases more potent than CO2
A five-step action plan will target pollutants like methane and black carbon