As spring temperatures in the UK inched above 20C in recent weeks, air conditioners in offices across the country will have rumbled into life after a silent winter. But while these machines cool our ...

The manufacturing of HCFC-22, a refrigerant used in air conditioners, releases a greenhouse gas byproduct. Reducing this gas would be one of the least expensive methods to address climate change.

Regulations to replace hydrofluorocarbons, used as refrigerants in air conditioners and refrigerators, with substances having lower greenhouse effects will be gradually implemented starting in 2027.

India's amendment proposal to the Montreal Protocol for curbing green house gas emissions will help reduce the level of hydrofluorocarbon, one of the key pollutant gases, up to 64% by 2050, a policy ...