Nitrogen

Polluted Chicago Water Travels Over 1,000 Miles and Wreaks Havoc in the Gulf
An algae bloom in the Gulf of Mexico has resulted in an oxygen-starved area the size of Massachusetts. Part of the problem is sewage runoff flowing south from Chicago.
International Effort Needed to Prevent Recurrence of Lake Erie Algal Bloom
On Monday, August 4, half a million people in the Toledo, Ohio metro region could once again drink from their water taps after a weekend without safe drinking water due to a toxin resulting from an algal bloom in the city's water supply, Lake Erie.
Fertilizers Banned in Polluted Florida County
Certain fertilizers will be banned from use during summer months and rainy times of the year in Pinellas County, Florida after a recent ruling by the County Commission.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
Appalachian Highlands Housing Partners
Gallatin County Department of Planning & Community Development
Heyer Gruel & Associates PA
Mpact (founded as Rail~Volution)
City of Camden Redevelopment Agency
City of Astoria
City of Portland
City of Laramie