This medieval English city is investing $1.5 billion for energy upgrades for the entire city.
The program is so successful, cutting energy use 38%, that it's being used as a model for commercial buildings.
These industries present unique challenges for green building, but even here it's taking off.
Corning, which rarely invests in young companies, led the Series E round of venture capital.
The Department of Energy's new Building Performance Database is the largest publicly available dataset to date.
The state will pay through the energy savings generated, while creating 5000 jobs.
NASA views the building as a test bed where its space technologies are adapted for building performance.
The US still leads by far on certified buildings, but they are spread around the world now.
CoStar, which maintains the largest commercial building database, was the first to incorporate green-rated buildings, making it easy for clients to find them.
160 countries voted to phase out flame retardants and a US law requires standards for formaldehyde.