Global HFC emissions to triple by 2015

Emissions of hydrofluorocarbons (HFCs) are set to grow significantly over the next few decades, according to a major UN report. The report concludes that HFC emissions could be cut substantially if best practice is applied around the world - but has come under fire for promoting containment of the potent greenhouse gases rather than the use of less damaging alternatives.

A long-standing concern is that efforts to protect the ozone layer by phasing out CFCs might worsen global warming by encouraging the use of alternatives such as HCFCs, HFCs and PFCs that are strong greenhouse gases.

The study, by the Intergovernmental Panel on Climate Change (IPCC) with input from an expert panel under the Montreal Protocol, was considered by delegates from 99 countries at a meeting in Ethiopia in April. The full report

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