A pilot nation-by-nation study of environmental performance shows that just six nations - led by New Zealand, followed by five from Northern Europe - have achieved 85 percent or better success in meeting a set of critical environmental goals ranging from clean drinking water and low ozone levels to sustainable fisheries and low greenhouse gas emissions.
The study, jointly produced by Yale and Columbia Universities, ranked the United States 28th over all, behind most of Western Europe, Japan, Taiwan, Malaysia, Costa Rica and Chile, but ahead of Russia and South Korea. The bottom half of the rankings is largely filled with the countries of Africa and Central and South Asia. Pakistan and India both rank among the 20 lowest-scoring countries, with overall success rates of 41.1 percent and 47.7 percent, respectively.
The pilot study, called the 2006 Environmental Performance Index, has been reviewed by specialists both in the United States and internationally. Using a new variant of the methodology the two universities have applied in their Environmental Sustainability Index, produced in four previous years, the study was intended to focus more attention on how various governments have played the environmental hands they have been dealt, said Daniel C. Esty, the director of the Yale Center for Environmental Law and Policy and an author of the report.
The earlier sustainability measurements "tell you something about long-term trajectories," Mr. Esty said. "We think this tool has a much greater application in the policy context." For instance, Britain ranked 65th in last year's sustainability index, but 5th in the latest study, among the 133 nations measured. Among the reasons for the earlier low ranking, Mr. Esty said, was that "they cut down almost all their trees 500 years ago and before," something that modern British governments could not control.
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