GCT Featured Articles

Kamuthi Solar Project; and the largest solar PV farms in India, China, other countries globally
By Dan Braff 2020/02
Austin, Texas: a sustainable city
By Dan Braff 2020/02
Climate Goals: Is Oslo Leading the Way?
By Dan Braff 2020/01
Sustainable city: CHICAGO
By Dan Braff 2019/11
Profiles in Sustainable Cities – San Diego, California
By Dan Braff 2019/11

Portland - A United States Sustainable City Leader

Urban Planning and Public Transit in Portland

Résultat de recherche d'images pour "portland bicycle city trees"Portland has developed over 92,000 acres of green spaces in the city with a connected system of trails and parks ideal for walking and biking. Portland has the highest rate of biking to work of any U.S. city, and was one of the first cities in the world to develop a master plan for bicyclists and pedestrians. Transit options in Portland include bus service and options unique to this city such as the MAX light rail, WES commuter rail, and the Portland streetcar.

Portland is a beautiful environmentally progressive city that has taken the concept of green open space planning to heart. The adoption of an urban growth boundary in Portland in 1979 has helped protect lands outside of the city to the present day, while encouraging density and vibrancy within the city limits. Master urban planning efforts have given equal attention to livability and open space within the city, so that Portland today boasts around 250 parks and recreational sites. Portland is notable for having over 5,000 acres of green space in their Forest Park.


Forest Park, Portland
Forest Park, Portland


Renewable Energy and Green Building in Portland

Downtown Portland
Downtown Portland

Portland gets a large amount of its energy from renewable energy; including a large amount of hydroelectricity produced in Portland, at over 60% of Portland's energy sources since 2007, as well as solar, wind, biomass/ biogas, and geothermal energy. The City of Portland's 2009 Climate Action Plan has mandated that buildings within the city get their energy from renewable sources; 15% of which is to be from on-site renewable energy generation such as geothermal heat pumps, solar panels/ solar thermal water heating, and biogas. Portland's goal is to supply all electricity needs in the city with renewables by the year 2035, and ultimately to use 100% renewable energy sources throughout the city in all segments of urban life  by 2050. Portland has also developed a City Energy Challenge Program, and has mandated energy efficiency and waste management programs.

The City of Portland's City Energy Challenge has led to energy efficiency improvements at office buildings, sewage treatment plants, and in urban infrastructure such as street lights. Portland has required that all new construction and remodeling of municipal buildings conform to guidelines set by the U.S. Green Building Council, such as LEED and Energy Star guidelines. Government buildings in Portland now have recycling requirements, and residents of Portland have similar excellent recycling practices. Portland also features a unique curbside composting system. The entire metro area of Portland recycles, composts, or generates energy from over 60% of its waste (see: biomass, anaerobic digestion). The City of Portland Bureau of Planning and Sustainability has led Portland to adopt a goal  to raise the recycling rate of all recyclable materials to 90% by 2030.



Please also see: 

Green City: Vancouver



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  1. Please let us here at Green City Times know what you think in a comment; and we’ll try and answer any questions as well.

    Please also visit our other blog at https://greencitytimes.blogspot.com

    [Dan Braff is the founder of GCT –

    Daniel Braff
    about.me/gctimes]

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