Urban retrofitting: creating different sorts of spaces and uses out of places that are already there.

Cabbies in particular seem to like discussing the fate the Earth.

Saying the Tech Bloom is not commercially driven is like saying Mother Teresa had an interest in the poor.

In almost all city governments in America, the small group of people who don't want change are able to block change.

Carbon zero simply means that the emissions you are releasing either are zero or balance out to zero.

Cities are responsible for the vast majority of the creation of the economy. They're also places into which we pour the vast majority of resources, the vast majority of energy and the places where a huge percentage of the decisions about how systems are built and how products designed, etc., happen.

The denser places get, the lower the amount of energy people use to get around it.