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What Lies Beneath: Subterranean Infrastructure for Street Trees

Silva Cell installation on 4th Avenue in Seattle. Thanks to SDOT on Flickr for the Creative Commons photo!

Wondering what’s under streets has always been a favourite daydream of mine. The juxtaposition of green cities, with vibrant trees emerging from endless paving evokes images of intrepid root networks spreading out beneath the smooth exterior.

Silva Cells, a “modular subsurface integrated tree and stormwater system that holds unlimited amounts of soil while supporting traffic loads beneath paving and hardscape,” is a technology that  makes it easier for trees to survive and thrive in cities. The system provides an area for roots to spread in uncompacted soil and to share resources. The modular units can be laid out as bridges between soil volumes, connecting street tree roots … Continue Reading

LiveBlogging this week: Globe 2010 in Vancouver!

This week, Vancouver will be host to the world’s largest event dedicated to the business of the environment. Globe 2010 will bring together over 10,000 professionals from more than 70 countries, “for three days of thought-leading sessions presented by world-renowned sustainability experts; to survey leading-edge environmental innovations; and to participate in unparalleled global networking opportunities.”

Held March 24-26 at the Vancouver Convention Centre, Planning Pool will cover some key sessions at Globe 2010 including:

  • Opening plenary
  • Eco Communities: Designing a Sustainable Future
  • Ministerial Dialogue on Sustainability

Globe 2010 has four sub themes to its programming: clean technology, water, sustainable retail, and the future of the auto industry. Check out the full program schedule for more information.

For fans of CBC’s business competition television program, Dragon’s Den, auditions for the upcoming sixth season will happen as … Continue Reading

Hang’Em High for….rain barrels?

A technologically advanced rain barrel, as captured by Jason Vance on Flickr. Thanks for the Creative Commons photo!

We all know that outdated legislation can often be one of the largest barriers change. Up until 2009, in the state of Colorado it was illegal to have a rain barrel and still is illegal for a majority of its residents. They would probably not hang you for it and it was mostly unenforced but it still had an effect on how infrastructure in that state could be designed, particularly for large developments. You couldn’t bring a development application which included a rainwater collection system no matter what the planned use for that water.

The reason rain barrels were and still are in most circumstances illegal is … Continue Reading

Liveblogging the UBC Resilience Symposium: Uncertain Water Supplies

Drought-stricken farmland in Australia, between Melbourne and Sydney. Thanks to Beleobus on Flickr for the great Creative Commons photo.

Today, PlanningPool is coming to you live from the Symposium on Resilience at the University of British Columbia, where we just presented a lively panel discussion about Digital Media. (Our slides are online here.) Thanks to Karen Quinn Fung and Frances Bula for participating in the discussion!

An interdisciplinary panel of graduate students and professionals are currently discussing the critical planning issue of “Uncertain Water Supplies: Increasing the resiliency of development to water crises”. Planning graduate student Asrai Ord introduced the panel with the observation that a majority of Canadians believe in the “myth of abundance.” Unfortunately, frequent claims that Canada does not have to worry … Continue Reading

UBC’s School of Community and Regional Planning Symposium

The University of British Columbia’s School of Community and Regional Planning is hosting a symposium on March 13 and 14. Entitled “From Sustainawhat? to Sustainahow! Moving from knowledge to action,” the symposium will explore the implementation of sustainability planning. Specifically, speakers will be focusing on affordable housing, resilience of government institutions in climate change planning, intercultural communications and multicultural planning, collaborative and participatory design, regional water governance, and many other topics.

 Confirmed speakers include :

  • Dr. Tom Campenella: Associate Professor of Urban Planning and Design at the University of North Carolina at Chapel Hill 
  • Stephen Owen: Vice President, External, Legal and Community Relations, UBC
  • Dr. Leonie Sandercock: Faculty, SCARP, UBC.
  • Dr. John Freidmann: Professor, SCARP, UBC.
  • Karen Stone: Executive Director, B.C. Not-for-Profit Housing Association
  • Brent Toderian: Director of Planning, City of Vancouver 
  • Naomi Steinberg: Professional Storyteller
  • Shannon Daub: Communications Director, Canadian Centre for Policy Alternatives, B.C. Chapter

Perhaps most excitingly, … Continue Reading

Urban living lowers carbon emissions

Here’s an interesting article by Edward Glaeser and Matthew Kahn, economists well-known in the urban economics and environmental economics fields. They have found that Manhattan residents emit almost 4,500 pounds less of transportation-related carbon dioxide than suburban New York residents, making Manhattan one of the greenest places in America.
The data suggest a strong general pattern: households in dense urban areas have significantly lower carbon emissions than households in the suburbs.
Counter-intuitive, or does this really make sense?

Matthew Kahn also has an informative and interesting blog here. He also just posted a reader’s response to his and Glaeser’s article. The reader pointed out that cities rely heavily on imported goods, especially water, which is unsustainable. If you’re interested in water issues, you might like to check out the post here.

via www.dcexaminer.com >> Opinion.