When green technology delivers decentralized solutions to water and energy - from hi-tech and low maintenance, ultra-effective septic systems to affordable rooftop photovoltaics and electrical storage systems, there are a lot of public works contractors who will be looking for something to do.

A green mega-project:
High rise agriculture for food & biofuel.
(Photo: www.verticalfarm.com)

Fortunately, we have the [...]