US targets California cap-and-trade agreement with Quebec

摘要

The US Department of Justice is taking aim at a California cap-andtradeprogram designed to curb carbon dioxide emissions, arguing thescheme is unconstitutional because it is linked to a similar programadministered by the Canadian province of Quebec.Asserting that the federal government has "full and exclusiveresponsibility" over foreign affairs, the DOJ argued in a Wednesday 23lawsuit that California's program represents an attempt by the state topursue "an independent foreign policy in the area of greenhouse gasregulation."