02 Oct '13, 1pm

@EUEnvironment

@EUEnvironment

There are three main categories of F-gases - hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulphur hexafluoride (SF6 ). Their global warming potential (GWP) varies widely, but can be very high - a single tonne of SF6 has the same global warming potential as almost 24 000 tonnes of carbon dioxide (CO2 ). This means quantities of F-gases are expressed in two different ways: in metric tonnes, and also in global warming potential (GWP) weighted tonnes, or CO2 equivalent tonnes. Such units take into account the gases’ overall effect on the climate. Some F-gases are used as replacements for ozone-depleting substances, which are largely being phased out in the EU in compliance with the Montreal Protocol and EU legislation . This means that F-gas use is increasing in a number of applications. F-gases accounted for approximately 2 % of EU overall greenhouse gas emissions ...

Full article: http://www.eea.europa.eu/highlights/use-of-climate-forcing-f

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