Fire extinguisher had been developed by DuPont and the US Army in 1954. Both 1211 and 1301 work by inhibiting the chain reaction of the fire, and in the case of Halon 1211, cooling class A fuels as well. Halon is still in use today but is falling out of favor for many uses due to its environmental impact. Europe and Australia have severely restricted its use, since the Montreal Protocol of 1987. Less severe restrictions have been implemented in the United States, the Middle East, and Asia. Internationally there are several accepted classification methods for hand-held fire extinguisher. Each classification is
CO2 is Green CO2 is Green CO2 is Green is a non-profit organization supporting public policy on environmental issues. A main focus of the organization are federal proposals that may “interfere with natures dependence on carbon dioxide.” CO2 is Green does not view carbon dioxide as a pollutant and advocates for federal law and regulations to support this thinking. The CO2 is Green campaign was produced by H. Leighton Steward and Corbin Robertson. Steward retired in 2000, and was the vice chairman of Burlington Resources, a Houston-based oil and gas company bought by ConocoPhillips in 2006. Robertson, the CEO of Natural Resource Partners,