For example, SF6 is found in electrical transformers. It has a greenhouse effect 24,000 times greater than CO2 over a 100-year period. The Montreal Protocol was signed in 1987. It has already ...

On the transportation front, CO2 emissions, mainly from the combustion ... (HFCs), perfluorocarbons (PFCs), and sulfur hexafluoride (SF6) (2.7 percent of total emissions). Emissions of energy ...

or SF6, which is used as an insulator in power transmission equipment, has a warming potential that’s 23,500 times that of ...

It is almost 300 times more dangerous than CO2. It is mainly emitted by man-made nitrogen fertilisers and manure used in agriculture. Fluorinated greenhouse gases include PFCs, HFCs and SF6.