By Dennis Cauchon, USA TODAY
The most surprising tourist attraction in Portland, Ore., is its storm sewer system.
Eco-friendly tourists flock to the city to understand how Portland's innovative system of curbs, gutters, roofs and rain gardens sharply cuts water pollution.
>Read More
http://www.usatoday.com/news/nation/environment/2010-03-28-portland-sewers_N.htm
No comments:
Post a Comment