Eighteen U.S. colleges and universities have offset 100 percent
of their greenhouse-gas emissions from electricity through
renewable energy certificates. Western Washington University,
the University of Central Oklahoma, Evergreen State College,
Concordia University Texas, and Unity College use 100 percent
renewable energy to power their operations. High school students
and young adults have persuaded 200 U.S. colleges and
universities to commit to paperless admissions processes by
signing the online Students Plant the Seed petition. New York
University buys more green power than any other school in the
country. Thanks to a coalition of students, all 15 institutions
in the University System of Maryland are conducting greenhouse-
gas inventories. Some are converting buses to biodiesel and
starting green building projects, with the goal of eliminating
carbon emissions. Climate change stresses agricultural systems,
which could result in price spikes for crops such as hops and
barley, the basics of a beverage clos