May 24, 2012 9:00 am139 views
CHAMPAIGN, Ill. - The unilateral efforts of a single country or region to reduce the emissions of greenhouse gases could reduce exports, increase imports and lead to higher emissions elsewhere - what economists call "leakage." Unilateral efforts could, however, work better if other sources of energy were used as substitutes, thereby creating "negative leakage," according to research by University of Illinois energy policy experts.