Blog Posts

Our Fellows, Advisors, Board and staff weigh in on the top issues of the day on the Post Carbon Institute blog.

Posts by Warren Karlenzig


Filter by:  Issue:    Person:

US Climate Study: Cities Center of Risk, Opportunity

Warren Karlenzig Jan 17, 2013   

The US National Climate Assessment, a new draft study by 13 federal agencies under the Dept. of Commerce, warns that climate change is introducing to cities ample societal and business risks, … >>

My TEDx Talk: Collective Intelligence for Sustainable Cities

Warren Karlenzig Sep 4, 2012   

TEDx Mission recently invited me to speak at their San Francisco event on how cities are using collective intelligence approaches to address climate change and climate change adaptation. … >>

Census and Experts Confirm Death of Sprawl in US

Warren Karlenzig Apr 10, 2012   

We are simultaneously witnessing the decline of the economic sectors enabled by hypergrowth development: strip malls and massive shopping centers, SUVs and McMansions.  The end of exurban population growth has been accompanied by steep economic decline in real estate value ... >>

Japan's Green Renewal? After the Disasters UN Tour

Warren Karlenzig Mar 6, 2012   

I've returned from a sobering United Nations-led tour of six tsunami-damaged communities and two radiation-impacted cities in Northern Japan. The obvious conclusion: the Fukushima Daiichi nuclear … >>

Global Mayors Start Acting Upon UN's Sustainable City Manual

Warren Karlenzig Dec 6, 2011   

After providing the curriculum for training urban leaders from 12 Southeast and Central Asian nations a few weeks ago (Manila, Philippines is pictured above), the United Nations is now globally … >>

Death of Sprawl: Past and Future

Warren Karlenzig Nov 29, 2011   

Seems like my chapter "The Death of Sprawl" from The Post Carbon Reader is taking on a life of its own. Friday, Christopher Leinberger had an Op-ed in the New York Times, titled … >>

Urban Parklets: The New Front Stoop

Warren Karlenzig Sep 15, 2011   

San Francisco's parklets (left, from top to bottom: #1, Valencia Street, #2 and #3 Divisadero, and #4, Castro and 17th, bottom) are a vibrant testimony to the city's Pavement to Parks … >>

What's an Ecocity and Why Should We Care?

Warren Karlenzig Aug 16, 2011   

"Ecocity" is a popular designation for dozens of global urban centers. Indeed the 9th Ecocity World Summit next week in Montreal, Canada will be packed with city officials, … >>

Learning from Japan about Resilience

Warren Karlenzig Mar 16, 2011   

Hourly Japan 's tragedy grows almost beyond comprehension. There is universal empathy over the pain and suffering being experienced, fear about impacts on Japan's and the world's economy, and … >>

Global Green Cities Preview

Warren Karlenzig Jan 26, 2011   

From Singapore's high tech congestion management system to New York's PlaNYC 2030 to Yokohama's zero-carbon emissions goal, the future greening of cities is becoming our global "Plan A" … >>