Each year, K-12 schools spend around $8 billion on energy nationwide. They use 10% of the energy used by all commercial buildings and are the third biggest energy user of all commercial building types (U.S. EPA, 2011). What if these schools were built to be more energy-efficient and sustainable? What if building and operating high-performance school buildings were a natural part of the school design and construction practice? Carolyn Sarno Goldthwaite, Senior Program Manager for the Northeast En...