Gregs bookkshelf incluses titles such as:
Affluenza
In praise of slow
The Meaning of the 21st Century
Time To Eat The Dog?
Blubberland
Design activism
Rubbish
Massive Change

Interesting quotes:
Design can transform objects of matter into objects that matter.
Marc Schamburg

You can't better the world by simply talking to it. Philosophy to be effective must be mechanically applied.
Buckminster Fuller

The economy has made people more humble and realigned them to what is important. They want affordable building that is good for the world.
Gennaro Brooks-Church

Without reflection there is no consciousness, without consciousness there is no progress.
Anon. (Greek)

Design for Reflective Consumption aims to improve peoples sense of physiological, psychological, emotional and spiritual well-being while recognising issues of economic viability, environmental stability and socio-cultural benefits.
Slow Lab