Hot Water
Heat exchangers
Basel is hot in the city Basel is hot in the city
09 Mar 2009
A Swiss city is a pioneer in efficient use of renewable energy, and global economies could learn a great deal from its district heating system.
The boat with no carbon footprint The boat with no carbon footprint
02 Feb 2009
Wastewater from the geWoonboot, a Dutch prototype carbon-neutral houseboat, is channeled to an onboard septic tank for initial treatment then transferred by sump pump to floating reed beds alongside the houseboat.