ScienceAlert: "In Poland in 1995, though economical in the long run, a compact fluorescent light globe (CFL) required an off-putting upfront investment of as much as US$15.00. An incandescent bulb cost just 40 cents. But under the Poland Efficient Lighting Project, OECD nations, through the Global Environment Facility (GEF),5 committed $5 million to provide an incentive to Polish CFL manufacturers, wholesalers and retailers to help bring down the upfront cost of CFLs.
As a result, more than 1.6 million new compact fluorescent lights6 were installed from 1995 to 1998. This increased the uptake of globes from one in every 10 homes to one in every three homes by 1998. By 2004, around one in two homes in Poland used a CFL and the project had saved an estimated 2320 gigawatt-hours of electricity – a reduction of 2.8 million tons of CO2 emissions."
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