Together they are well on course to achieve the protocol, target of a collective average decrease in greenhouse gas emissions of 5.2 % between 2008 and 2012 compared to the 1990 level. (pbl.nl)
By contrast, the national average decreased by 0.7 students. (host.madison.com)
Denver's average decrease for the same policy was 40.4 %. (rmiia.org)