Incandescent light bulbs are now being phased out in many countries. In practice, the replacements are mostly compact fluorescent lamps (CFL). In many cases, the energy savings created by CFLs justify this change.
The used energy in incandescent light bulbs is turned almost entirely into heat. In many countries, heating is needed almost year round because of a cold climate. In some areas (the polar region), the sun shines through the night during the warmer months. Thus when heating isn't needed, neither is artificial light.
CFLs are much more complicated and cost more than incandescent bulbs, so I figure their production might be more taxing on the environment. Is it?
Are CFLs an ecological choice in polar regions? Are there other environmental benefits to them besides the lower energy consumption?