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 emission total is 564.7 million tonnes), a saving of approximately 0.14%. There have been some initiatives to encourage people to switch to compact fluorescent lamps ahead of the phase out. Australia will ban halogen light bulbs from September 2020. In February 2007, then Climate Change Minister David Parker, Labour party, announced a similar proposal to the one in Australia, except that importation for personal use would have been allowed. However, this proposal was scrapped by the new government in December 2008. In Argentina, selling and importing incandescent light bulbs has been forbidden since 31 December 2010. Bolivia is reported to