cap and trade
noun[U]
ENVIRONMENT,SOCIAL RESPONSIBILITYukusasystemthat puts alimiton theamountofpollutioncompaniescanproduce. Companies canbuyandsellrightsto putharmfulgasesinto theair,meaningacompanythatreducesitspollutionisfinanciallyrewarded:
Cap andtradehas beensuccessfulinreducingacidrainin the U.S. by more than 30%.
capandtradeprogram/scheme/system
See also
emissions trading