Apples for Oranges: The Role of Currencies in Environmental Trading Markets
Introduction
Two major, integrally related trends define U.S. environmental law at the millennium. The first trend is to bring presently unregulated risks under the control of the regulatory system. The second trend . . . is toward bigger bubbles—toward broader and broader trading among pollutants and even among various types of risk reduction . . . .1
Picture a playground where children trade environmental protection like baseball cards. The front sides bear slick images of endangered species, drops of acid rain, and vanishing habitats. The flip sides show all the statistics—population remaining, acreage consumed, who benefits from the wetlands, who is harmed by the pollution. And the kids sit huddled in an excited circle, busily swapping cards. To snag Jamie's prized cattail wetlands, Ben must part with his cherished saltwater marsh.