Is Airbnb to blame for rising house prices? This article by Leigh Stewart from Tranio.com investigates how easy money from the collaborative economy could be making homes too expensive for tenants and genuine buyers.
In many cities, stormwater and sewage water are collected in the same sewer. As a result, good rainwater is combined with dirty sewage water. Overflows can create major problems for cities. But avoiding those problems is not exactly easy.
Portland's "Green Streets" program is becoming a new tourist attraction in the city, which officials from other cities are visiting to learn from the Pacific Northwest's model water treatment infrastructure.