Approaches to Slow down Greenhouse Warming

摘要

Global environmental problems raise a host of major policy questions,which are all scientifically complex and controversial,and no scientific consensus is likely to be controversial has not emerged until irreversible decisions have been made.This article considers some of the economic issues involved in deciding how to react to the threat of global warming.Firstly I introduce the theory and evidence on the greenhouse warming; and then present evidence on the impact of greenhouse warming; in the final section,I review the policy initiatives that depend on the first and second sections.