Project of the Week for June 18, 2018: American Psychological Association (APA) Headquarters

June 18, 2018 at 5:50 pm

American Psychological Association (APA) Headquarters

American Psychological Association (APA) Headquarters
Washington, DC, USA
2,500 sf Greenroof

American Psychological Association (APA) Headquarters Project of the Week: June 18, 2018

The American Psychological Association (APA) Headquarters is an outstanding example of corporate (in this case non-profit) social responsibility.  Its design choices for two properties in Washington, D.C. reflect fostering environmental sustainability on several fronts, especially with the incorporation of greenroofs during renovation (in addition to a utilities plan that uses 100 percent wind energy).

American Psychological Association (APA) Headquarters

We are highlighting the American Psychological Association (APA) Headquarters in memory of Gregory Long of Capitol Greenroofs, who passed away in April.  His company installed both APA building greenroofs.  Greg was a fantastic individual and consummate professional whose belief in greenroofs as a means to create a healthier and more sustainable built environment is evident in all of his work.

The photo below during construction of the American Psychological Association (APA) Headquarters shows Greg and his team’s commitment to getting the job done, even during tough and challenging weather.

“Even the northeaster that blew through with some driving snow showers couldn’t keep us from meeting our deadline. Not ideal to work but hey….sometimes you just have to deal with what mother nature throws at you.” ~ Greg Long, Capitol Greenroofs, 2014

American Psychological Association (APA) Headquarters

Mini Description & Details

The American Psychological Association (APA) is the largest scientific and professional organization representing psychology in the United States. In an effort to reduce energy consumption, maximize recycling and contribute to a healthier environment, in April 2014 a second greenroof was added to APA properties at their headquarters (see the APA/World Resources Institute HQ from 2008), which qualified for the DDOE grant program.

American Psychological Association (APA) Headquarters

In 2012, the Environmental Protection Agency rated both buildings in the top 10 percent of buildings in the U.S. with the lowest carbon footprint.

American Psychological Association (APA) Headquarters

The plantings in April, 2014.

American Psychological Association (APA) Headquarters

The design at the APA HQ building was focused on how greenroofs benefit people’s mental well being. Rebate funding was provided by the District Department of the Environment through a program administered by the Anacostia Watershed Society.

Many private companies were also involved which made this project successful. Installed by Capitol Greenroofs, the system design called for plenty of seating and relaxation with Bison Innovative Products decking tiles, metal planters, and perennial planting areas.


American Psychological Association (APA) Headquarters

Composed of a mixture of perennials, woody shrubs and small magnolia trees set within modern style seating areas with bright decorative accents, this greened patio creates usable event space with spectacular views of the Capitol building.

American Psychological Association (APA) Headquarters

The plantings in May, 2015.

Year: 2014
Owner: American Psychological Association
Location: Washington, DC, USA
Building Type: Corporate
Roof Type: Intensive
System: Single Source Provider
Roof Size: 2,500 sq.ft.
Grade: 1%
Accessible, Private

American Psychological Association (APA) Headquarters

Designers/Manufacturers of Record:

Architect: Gensler Associates
Landscape Architect: Oehme, van Sweden & Associates, Inc.
Contractor: HITT Contracting
Greenroof System: Henry Intensive Greenroof
Installation: Capitol Greenroofs
Decking Tiles: Bison Innovative Products
Contractor: Consolidated Waterproofing
Planters, Edging & Planter Benches Manufacturer: Ore Inc.

American Psychological Association (APA) Headquarters

All the Info:

View the American Psychological Association (APA) Headquarters project profile to see ALL of the Photos and Additional Information about this particular project in The International Greenroof & Greenwall Projects Database.

American Psychological Association (APA) Headquarters

Gorgeous APA rooftop blooms in May, 2015.

Project of the Week Video Feature

Watch the American Psychological Association (APA) Headquarters Project of the Week Video below or see it on our GreenroofsTV channel on YouTube: Project of the Week 6/18/18 video photo credits: Courtesy of Greg Long, Capitol Greenroofs.

Did we miss your contribution? Please let us know to add you to the American Psychological Association (APA) Headquarters profile.

Would you like one of your projects to be featured on We have to have a profile first! Submit Your Project Profile.

Love the Earth, Plant a Roof (or Wall)!

By Linda S. Velazquez, ASLA, LEED AP, GRP Publisher & Greenroofs & Walls of the World™ Virtual Summits Host

In Memoriam: Gregory Long

June 18, 2018 at 5:45 pm

With a heavy heart, we share the recent passing of our wonderful, kind colleague, Greg Long.

Greg Long

Greg Long had an amazing, joyful spirit and energy and a shared devotion to creating sustainable design.  With a ready smile, he was always generous about sharing information and project experience. Greg touched so many people through the establishment of his design/build/maintain business, Capitol Greenroofs and its Group Site, an excellent discussion group forum.

“On April 28th, 2018 Greg Long passed due to complications of treatment for advanced cancer.  Many in the Washington, DC area knew him as a long term greenroof/greenwall promoter, designer, installer and owner of Capitol Greenroofs.

Greg grew up in Northern PA and went to Penn State University for a BA in Landscape Architecture.  After college he worked in the DC area at several engineering and architectural firms before catching the Greenroof bug and starting to promote these to anyone who would listen.  For 12 years he was a member of Green Roofs for Healthy Cities (GRHC) and was a certified Green Roof Professional (GRP).

Aside from work, he was an avid outdoorsman who liked to fish, camp, hike, snowboard, and float down river in any way possible.  Making friends whether at work or play was very important to him and he will be missed by many.” ~ Bob Long

Here are a couple of photos I took of previous CitiesAlive conferences:

Greg Long

Greg with Haven Kiers in 2006 at the Boston CitiesAlive Green Roof Conference (then known as Greening Rooftops for Sustainable Communities).

Greg Long

Carolina Stonecrops and Capitol Greenroofs exhibiting at the 2008 CitiesAlive in Baltimore. Bob Long is center and Greg is on the right.

Greg certainly will be missed by many within the Washington Metro Area, throughout North America, and beyond.  His high quality body of greenroof work will stand as a testament to his passion for living architecture.  Just some of his many projects include the American Psychological Association (APA) HeadquartersVirginia Commonwealth University (VCU) Pollak BuildingAmerican Psychological Association (APA)/ World Resources Institute (WRI) HQCity of Charlottesville City Hall/Police StationU.S. Tax Court, and the Herrity Building Parking Garage Demonstration Garden.

In Greg Long’s memory, we are featuring one of his outstanding works from 2014, the American Psychological Association (APA) Headquarters, as our current Project of the Week.

Greg Long

The photo below during construction of the American Psychological Association (APA) Headquarters shows Greg and his team’s commitment to getting the job done, even during tough and challenging weather.

“Even the northeaster that blew through with some driving snow showers couldn’t keep us from meeting our deadline. Not ideal to work but hey….sometimes you just have to deal with what mother nature throws at you.” ~ Greg Long, Capitol Greenroofs, 2014

Greg Long

Greg didn’t search out the spotlight, and so I don’t have any more photos at the moment to share.  We would like to invite everyone interested to add your comments and send condolences below to Greg’s father, Robert (Bob) Long of Carolina Stonecrops.  Please  send photos to and I’ll add them to this post.

Greg will be sorely missed by and family and friends, and all of us within the greenroof community send our heartfelt condolences to his dad, Bob Long, and Greg’s loved ones.

Greg, may you rest in peace.

By Linda S. Velazquez, ASLA, LEED AP, GRP Publisher & Greenroofs & Walls of the World™ Virtual Summits Host

Portland Adopts a Green Roof Requirement in the Central City 2035 Plan

June 13, 2018 at 4:16 pm

Portland Central City 2035 Plan

Portland Central City 2035 Plan

Portland is changing the Nature of its rooftops!

Green roof advocates everywhere are celebrating the recently adopted Portland Central City 2035 Plan (CC2035 Plan), which includes a mandate for vegetated roofing.  The Ecoroof Requirement, as it is called, goes into effect starting July 2018 and includes buildings in the Central City over net 20,000 square feet, with rooftop parking exempt.

The green roof must cover 100% of the roof (that includes appropriate vegetated free zones), with up to 40% exemptions for rooftop mechanical equipment.

“The CC2035 Plan establishes a new generation of goals and tools to ensure the city center becomes an even more thriving economic, cultural, educational and recreational hub for the region over the next 20+ years.” ~ The City of Portland Oregon, Planning and Sustainability

The success of this landmark mandate is due to a united effort between local nonprofits, community members, and our elected officials.  The Green Roof info Think-tank (GRiT) has been supporting the City of Portland with green roof studies, symposia and stakeholder testimony throughout the years leading to the development of the requirement.

Green Roofs for Healthy Cities,, the Audubon Society, Portland State University, and various local stakeholders have also had a significant impact on the awareness and research of green roofing in Portland and beyond.

Previous Portland Ecoroof Incentive

Portland Central City 2035 Plan

The new Ecoroof Requirement within the Portland Central City 2035 Plan revisits the previous successful Portland Ecoroof Incentive:

“From 2008 to 2012, Environmental Services offered property owners and developers an ecoroof construction incentive of $5 per square foot. Ecoroof costs vary according to project size, design and complexity. Environmental Services granted almost $2 million in incentives that helped fund over 130 projects that created more than 8 acres of ecoroofs that manage an average of 4.4 million gallons of stormwater annually.” ~ The City of Portland, Oregon, Environmental Services

Stewardship for the environment and human health does not get bestowed upon us from the top-down.  For a new paradigm to take root, communities must unite toward a goal, and then stick together throughout all of the challenges and objections that arise.  It is our own responsibility to keep our municipal, state, and national leaders on track and informed to protect our resources and enhance our livelihoods.

Portland has spoken, adding our voice to the swelling tidal wave of cities incorporating green roofs into their long-term plans for urban resiliency.

~ Elizabeth Hart Morris, CDT, GRP, President, GRiT Board of Directors

Portland Central City 2035 Plan

GRiT is the Green Roof Info Think-tank

The Green Roof info Think-tank (GRiT) is a network of businesses, government agencies, non-profit organizations, researchers and community members joining together to grow the knowledge and use of green roofs in the Pacific NW. GRiT is a registered 501c-3 non-profit organization. We host monthly meetings, seasonal tours, lectures, community outreach efforts, and semi-annual green roof symposia, among many other fun events.

GRiT was established in 2009 by volunteers looking for ways to advance the green roof industry in Portland, Oregon and the Pacific Northwest.  Over the following years, GRiT served as a forum for sharing research, building relationships, and promoting the green roof industry.


Elizabeth Hart Morris

Portland Central City 2035 Plan

Elizabeth Hart Morris, CDT, GRP is the President of Green Up LLC, a woman-owned roof consulting firm based in Portland, Oregon. She is also co-founder of MycoCycle which focuses on advancing roof recycling technologies. For more than 10 years Elizabeth has been changing the “nature” of commercial roofing through green roof project management, roof recycling, advocacy and nonprofit work.

Elizabeth is also the President of the Green Roof info Think-tank (GRiT), a non-profit organization dedicated to growing the knowledge and use of green roofs in the Pacific Northwest, and she serves as the Green Roof Professional (GRP) Education Chair on the Green Roofs for Healthy Cities Board of Directors.

Contact Elizabeth at:

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Dates: June 20-21, 2018
Venue: The New Lab, Cumberland Gate, Brooklyn, New York, USA
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By Linda S. Velazquez, ASLA, LEED AP, GRP Publisher & Greenroofs & Walls of the World™ Virtual Summits Host