Pollutant Release and Transfer Register (PRTR): A system requiring businesses to identify the amount of various hazardous chemical substances released from business sites into the environment (air, water, soil) and the amount transferred outside as waste, as well as reporting the data to the national government. The national government estimates the amounts released and transferred and announces them to the public based on the data submitted.
SF6 (Sulfur hexafluoride): A greenhouse gas reported to cause global warming at 23,900 times the rate of CO2.