Clean Water Act
40 Years Later: The Way Forward for the Nation's Clean Water Act
The Clean Water Act turns 40 this week. For Mark Gold, this calls for a celebratory overview of the many environmental successes it has produced, as well as careful consideration of the steps needed for it to be effective in years to come.
America's Rivers Under Threat
Hillary Rosner speaks with Bob Irvin, president of American Rivers, on their newly released list of the most endangered rivers in the country.
Lake Erie Is Dying (Again)
Deadly algae and invasive species are choking the life out of Lake Erie. It recovered from near-death 40 years ago, but the regulations that helped save it last time are under increasing attack.
Aging Sewers and Growing Cities Mean Troubled Waters
As cities grow, aging sewer systems are having trouble keeping up with increasing amounts of waste. Often, the result is sewer system overflows that end up directly in waterways.
The L.A. River, Navigability, and the Future of Watershed Development
Planetizen's Assistant Editor Nate Berg investigates the impact of recent court decisions on the Los Angeles River, and how it may affect development on the watersheds of rivers and waterways across the country.
L.A. River Rebuff Confirmed
The U.S. Army Corps of Engineers has made final a decision that says much of the Los Angeles River is not navigable, and is therefore not a river. It will retain some Clean Water Act protection, but developing on its watershed may become easier.
Corps Says L.A. River Isn't a River
A draft decision by the Army Corps of Engineers says that because a boat cannot navigate its waters, the L.A. River doesn't qualify as a river. Environmentalists are outraged, as hundreds of square miles of watershed are at risk of losing protection.
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.
City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research
