According to a news release, the campus has saved more than 20 million kilowatt hours of electricity over the past seven years, by retrofitting its buildings.
They've saved more than a million gallons of fuel by encouraging bicycle use and mass transit.
They're also buying more solar and wind energy from PG&E.
The school claims its greenhouse gas emissions are now below what they were in 1990.
And they plan to set a new target for further reductions, by next spring.