road

Digital Highway Sign

Can High-Speed Roads Stop Climate Change?

Some argue that even if wider roads induce more travel, they will actually reduce pollution by speeding it up. This post addresses one such argument.

January 28, 2022 - Michael Lewyn

Congestion, Pollution and Freeways

A common argument in favor of building sprawl-generating roads and highways is that if we just pave over enough of the United States, we can actually reduce pollution and greenhouse gas emissions by reducing congestion.  For example, a Reason Foundation press release cited a report by two University of California/Riverside engineering professors, “Real-World CO2 Impact of Traffic Congestion” (available online at http://www.cert.ucr.edu/research/pubs/TRB-08-2860-revised.pdf ).    But if you read the report carefully, its policy impact is a bit more ambiguous.

May 6, 2009 - Michael Lewyn

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Senior Planner

City of Thousand Oaks

Community Development Director

City of Wisconsin Rapids

Professor of Urban Planning

Harvard University Graduate School of Design

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.