Canada is the third-largest per capita greenhouse gas polluter after Australia and the United States. Colombia is the world's highest per capita mercury polluter. The Environment and Forestry Ministry has reported that domestic wastewater as the major river polluter. That year, the country was among the top polluter nations of the world per capita. The waste management in Switzerland is based on the polluter pays principle. Barranquilla is the fourth-biggest atmospheric polluter from industry. The polluter pays principle is also known as extended producer responsibility (EPR). Marine Shale had been targeted by the Roemer administration as a polluter. The "polluter pays" principle was introduced. Pennwalt Chemical Corporation was found to be the worst polluter. This exemplifies a shift in thinking from the "polluter pays" to the "beneficiary pays". In 2019, BreakFreeFromPlastic named Coca-Cola the single biggest plastic polluter in the world. In Ghana, the polluter pays principle was adopted in 2011. It is also ranked as the 32nd worst water polluter in the country. OPG's Lambton Generating Station was the second largest air polluter in the province.