[Terrapreta] sewage sludge charcoal

[Philip Small]

Vancouver BC has challenges in shaking its well deserved
rep<http://www.georgiastrait.org/?q=node/328>,
but truly has improved of late
(video<http://www.city.vancouver.bc.ca/Greaterdot/video/03-AnnacisWTTP.wmv>).
With those improvements, comes higher solids production.  Its a story being
repeated all across the planet. Sludge is here to stay.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: /attachments/20080409/2c3a8d5f/attachment.html