Inert gas asphyxiation lacks oxygen and consists of an asphyxiant gas (one or more of argon, nitrogen or carbon dioxide), causing the animals to lose consciousness. Argon and nitrogen are important components of a gassing process which seem to cause no pain, and for this reason many consider some types of controlled atmosphere killing more humane than other methods of killing. However, "stunning" is often done using carbon dioxide. If carbon dioxide is used, controlled atmosphere killing is not the same as inert gas asphyxia, because carbon dioxide at high concentrations (above 5%) is not biologically inert, but rather is toxic and also
Phase-out of incandescent light bulbs and sale of incandescent bulbs since December 2015. Ecuador has banned incandescent bulbs. As part of its electricity conservation program, Venezuela has a light bulb exchange program, which aims to replace millions of incandescent bulbs with compact fluorescents. The phase out has been referred to as "light bulb socialism". The consumer preference for light bulbs in the EU is for incandescent bulbs, with many complaining about what was described as the ugliness or the cold, flat, unnatural, dull light emanating from CFLs. Objection has also been raised to being forced to adopt CFLs. Bulk purchasing of incandescent bulbs was reported