Grassroots'global warming study

摘要

Begun in 1998 and completed in 2001,the U.S.National Assessment is the only study to broadly examine how global warming might affect communities in the U.S.Because of the subject matter,however,the assessment has been mired in political controversy since its release,and officials in the Bush Administration have sought to remove any reference to the report from publications coming out of their Climate Change Science Program(CCSP).However,in a paper published in this issue ofES&T(pp 9023-9032),researchers report that the National Assessment successfully involved a wide group of people in a"grassroots"effort to teach U.S.citizens about global warming.