Permeable Surfaces

bioswale

How To Equitably Distribute Green Infrastructure

As more urban surfaces are developed and covered with impermeable materials, the importance of green infrastructure like bioswales and permeable pavement is growing.

April 19, 2022 - Portland State University

Designing Permeable Cities for Drought Resilience

Take a kayak trip on the Los Angeles River with KQED science reporter Amy Standen to understand why cities were built on the premise of endless potable water and how we can build cities sustainably in regions that receive low rainfall.

December 4, 2014 - KQED Science

Inside Philadelphia's New Water Management System

This infographic explains the new green techniques that will revise the way Philadelphia catches and processes stormwater.

August 31, 2011 - OnEarth Magazine

Chicago Alleys Go Permeable

As part of a plan to utilize the city's rainwater and recycle it back to lake Michigan, Chicago has been renovating its 13,00 alleys to become permeable surfaces, where rainwater can soak back into the ground. 40 alleys have been redone so far.

June 30, 2008 - CNN

News from HUD User

HUD's Office of Policy Development and Research

Call for Speakers

Mpact Transit + Community

New Updates on PD&R Edge

HUD's Office of Policy Development and Research

Top Books

An annual review of books related to planning.

Top Websites

The best of the Internet—since 2002.

Top Apps

Planning apps for a brave new world.

Top Schools

The definitive ranking of graduate planning programs.

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.