In response to the implementation of the Act, nationwide GHG emission targets, and the enforcement of the Paris climate pact, the Tainan City Government also identified several reduction goals: for it’s the first-stage objective, GHG emissions should be 2% below the 2005 level by 2020, which equals 1.77 million metric tons of carbon exhaust; for it’s the second-stage objective, GHG emissions should be 10% below the 2005 level by 2025, which equals 3.34 million metric tons of carbon exhaust; for the city's the third-stage target, GHG emissions should be 20% below the 2005 level by 2030, equaling 5.3 million metric tons of carbon exhaust. Finally, for the city's long-term target, GHG emissions should be 50% below the 2005 level by 2050, equaling 11.14 million metric tons of carbon exhaust.