Triple

Target class: nitrogen oxides emissions trading program
Context triple: [NOx SIP Call, instanceOf, nitrogen oxides emissions trading program]

• A. cap-and-trade program chosen
  A cap-and-trade program is a regulatory system that sets an overall limit on emissions and allows entities to buy and sell emission allowances, creating a market incentive to reduce pollution at the lowest cost.
• B. emissions allowance
  An emissions allowance is a tradable permit that authorizes its holder to emit a specified quantity of a pollutant, typically within a regulated cap-and-trade or similar environmental compliance system.
• C. Kyoto Protocol flexibility mechanism
  The Kyoto Protocol flexibility mechanism is a set of market-based tools—emissions trading, Joint Implementation, and the Clean Development Mechanism—that allow countries to meet their greenhouse gas reduction commitments cost-effectively by trading or financing emission reductions across borders.
• D. pollutant release and transfer register
  A pollutant release and transfer register is a publicly accessible database that systematically records the quantities of specific pollutants released to air, water, and land, or transferred off-site for treatment or disposal, by industrial and other facilities.
• E. air quality permitting program
  An air quality permitting program is a regulatory framework that evaluates, authorizes, and monitors facilities’ air emissions to ensure compliance with air pollution control standards and protect public health and the environment.
• F. None of above.