open burning of waste
The open burning of waste is a disposal method of waste or garbage. It is a disposal method used globally, but often used in low and middle-income countries that lack adequate waste disposal infrastructure. Numerous governments and institutions have identified the open burning of waste as a major contributor to greenhouse gas emissions. It also poses health risks with the cocktail of air pollutants often created when waste is burned in an open air environment.
At COP26 open waste burning was raised as a major contributor to climate change. It produces a wide range of atmospheric pollutants including short lived climate pollutants (SLCPs), such as black carbon (BC). BC emissions are a major source of fine particulate matter, with a climate change impact up to 5,000 greater than CO2.

Background
The United Nations has raised concerns about the amount of black carbon and methane produced from open burning as a method of waste disposal. Many cities and regions suffer with air pollution and low air quality as a direct result of open burning of waste.According to the Canadian government it is common for many toxic gases to be released into the atmosphere as a result of open burning of waste. They can include arsenic, mercury, lead, carbon monoxide and nitrogen oxides. Studies by researchers from London's King’s and Imperial colleges both showed that burning of polystyrene and polyethylene terephthalate produce high amounts of soot. Both are common in plastic water bottles.The climate change conference COP26 held an official side event focused on raising awareness of the open burning of waste. In September 2022, an agreement was reached on reducing open waste burning in Africa at the 18th session of the African Ministerial Conference on the Environment (AMCEN). The conference hosted delegates from 54 African countries.

Sustainability & impact
The reduction of open burning can drastically change the air pollutants in the local area, therefore having a transformational impact on human health in that particular region. The Global Review on Safer End of Engineered Life suggested that the health of tens of millions of people worldwide was impacted by the disposal practice, with up to one billion tonnes burned globally each year.At a United Nations summit in 2022, the delegation focused on job creation as one potential solution to eradicate the practice of open burning of waste, namely in Africa. Up to 80% of waste generated in African cities is recyclable, with an estimated value of $8 billion each year. Many institutions see this as an opportunity to create jobs, while improving the health and air quality on the continent.


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