dvgbc.org

Spotlighting innovative green design in the Delaware Valley

KARABOTS PAVILION

LENFEST HALL

MORRIS ARBORETUM

THE BARNES FOUNDATION

A City TransformedPhiladelphia institutions embrace green building practices

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Managing EditorLiz Pacheco

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Art Director Jamie Leary

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DesignerZachary Kutz

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WritersShaun Brady

Kristen DowdSamantha Wittchen

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At DVGBC, we’re using the conference as a deadline for our 2013 Challenge Pledge. We’re asking regional businesses, educational insti-tutions, government agencies and nonprofits to make a written pledge to sustainability. So far, we have more than 75 high-impact pledges across sectors—from the City of Philadelphia to the Philadelphia Zoo—and plan to get many more in the coming months.  For some exam-ples, see page 4.

We’ll also be using the conference to high-light our policy accomplishments and the role green building partnerships have played in our region. We’ll talk about how Philadelphia is the sixth city in the nation to pass energy bench-marking and disclosure legislation. This legisla-tion requires commercial buildings of a certain size to track, measure and report energy and water use. DVGBC played an important role in this accomplishment and we’ll continue working with the City, Energy Efficient Buildings (EEB) Hub and others to help building owners imple-ment this new law.

Greenbuild will give us a chance to dem-onstrate our work on green schools as well. We’re using the U.S. Department of Education’s Green Ribbon Schools program to advocate for a holistic, three-pillared approach to creating green schools: achieving net-zero environmen-tal impact; improving the health and perfor-mance of students and staff; and ensuring the

MAYOR MICHAEL NUTTER has pledged to make Phila-

delphia the greenest city in America. His administration,

led by the Office of Sustainability, is on its way to meet-

ing this goal through its Greenworks Philadelphia plan. In

the meantime, our entire region will have an opportunity

to proudly display our sustainability work when DVGBC

and the U.S. Green Building Council host Greenbuild

2013 next November. This annual conference will bring

30,000 green building advocates to Philadelphia who

will be eager to see why our region is a leader in the field.

HOW GREEN IS OUR REGION?

environmental and sustainability literacy of all graduates. This work includes training facility managers and students how to measure their buildings’ energy use by partnering with the En-vironmental Protection Agency and their Energy Star program, and developing a student-led con-servation team pilot program with the School District of Philadelphia.

And, of course, we won’t just be talking about this work, we’ll also be showing it off with tours of the amazing building projects in our region so attendees have a chance to see this work firsthand.

We hope you’ll join us on the road to Green-build 2013. The journey begins this fall at our Annual Green Building Celebration, happening September 27 at the new (and soon-to-be LEED Platinum) Barnes Foundation. See you there!

Janet Milkmanexecutive director

delaware valley green building council

DELAWARE VALLEY GREEN BUILDING COUNCIL 2012 | GREENPRINT | 3

295

296

CERTAINTEED &SAINT-GOBAIN

CPM HOUSING

GROUP

HABITAT FOR

IN POSSE

HUMANITY

DESIGN & BUILDGREENSAW

LAFAYETTECOLLEGE

WILL AVOID CONSUMING 10,000 GALLONS OF GAS BY REDUCING

EMPLOYEE COMMUTING

WILL USE RECLAIMED OR SALVAGED MATERIALS IN

OF THEIR BUILDING PROJECTS

WILL BUILD TO LEED SILVER STANDARDS

ON ALL NEW CONSTRUCTION

PROJECTS

WILL HELP DIVERT 1,000 TONS OF MUNICIPAL SOLID WASTE FROM LANDFILLS AND INCINERATORS TO COMPOSTING & RECYCLING ALTERNATIVES

ADVANCED

PHILADELPHIAUNIVERSITY

ENVIRO SYSTEMS

WILL PLANT MORE THAN

TREES ACROSS THE REGION

PENNSYLVANIAHORTICULTURAL SOCIETY

WILL GRADUATE MORE THAN

STUDENTS FROM ITS SUSTAINABLE DESIGN PROGRAM

100

2

URBANECOFORMSWILL INSTALL 250,000 SQUARE FEET

OF RETROFIT GREEN ROOFS

WILL DELIVER 296 UNITS OF GREEN,

AFFORDABLE HOUSING

WILL IMPLEMENT A CLIMATE ACTION PLAN TO REDUCE ITS CARBON FOOTPRINT BY 20%

WILL COMPLETE TWO NET-ZERO K–12 SCHOOLS

150

1K

2 5 0, 0 0 0

2013WITH GREENBUILD 2013 approaching, the DVGBC has challenged its green building

community and beyond to publicly declare their commitment to sustainability.

Some pledges are for initiatives already in place, others are new goals; all have a deadline

of November 2013. Below are some examples of the more than 75 pledges already received.

To make your pledge, visit dvgbc.org/2013challenge

DVGBC PLEDGE CHALLENGE

4 | GREENPRINT | DELAWARE VALLEY GREEN BUILDING COUNCIL 2012 ILLUSTRATION BY ZACHARY KUTZ

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herringbone-patterned ipê wood floor reclaimed from the Coney Island boardwalks.

“We very strongly believe in an aesthetic of good design, not just an aesthetic of sustainable design,” says Philip Ryan, Barnes’ project manager

hile the Barnes Foundation is best known for its

priceless art collection—which now resides in a new

$150-million building on the Ben Franklin Parkway—

its founding mission extended beyond the man-made

wonders hanging on the walls to the natural beauty

outside of them. The recent relocation has left most of the Barnes’

horticultural program behind at its previous home in Merion, but

the new digs were designed and built using sustainable practices

fully in line with that original green vision.

DELAWARE VALLEY GREEN BUILDING COUNCIL 2012 | GREENPRINT | 7

“When we acquired this parcel of land, a por-tion of which was in Fairmount Park, we had a new mayor [Mayor Michael Nutter] who was promoting sustainable issues in both design and construction,” says William McDowell, senior building project director. “So, we did it to satisfy our obligations under our lease with the city, but it took on a life of its own... And we…think it re-sulted in a better building.”

In late August, the Barnes was awaiting con-firmation of LEED Platinum certification—the highest rating granted by the U.S. Green Building Council. If granted, the museum would become the third museum in the country to achieve the rating. It was actually at the urging of the Dela-ware Valley Green Building Council (DVGBC) that the Barnes even sought LEED certification, explains McDowell.

“Early on, we felt that we were going to go ahead and do all these things anyway, but were debating whether or not it was worth it to formal-ize the process,” says McDowell. “The DVGBC convinced us that it was important for our project to be tracked officially both by them and by the national organization so that it becomes some-thing that Philadelphia can promote itself with.”

Highlights of the Barnes’ sustainable design include a green roof on the L-shaped Pavilion building; a 40,000-gallon cistern that collects rainwater from that roof for landscape irriga-tion; 12,000 square feet of photovoltaic panels on the roof of the Light Canopy that provide eight percent of the building’s electricity; and a

and a senior associate with New York firm Tod Williams Billie Tsien Architects. “The ipê wood floor is there partial-ly to warm the space up and make it feel more intimate, but it’s also an extremely hard wood that’s very good for the kinds of activities that happen there. During the day there’s lots of groups passing into the collections gallery, and during the evening it hosts events, and the floor is developing a really nice patina as more people walk on it and drop glasses on it.”

The design specified no- or low-VOC (Volatile Organic Compound) products, Forest Stewardship Council certified woods and recycled products. Ninety-eight percent of po-tentially reusable materials were reclaimed from the Youth Study Center, the juvenile detention

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center formerly on the Barnes site (asbestos and other toxins rendered certain elements of the 1950s-era building unusable).

Ryan credits the Barnes with “trying to weave the architectural process into their teaching about the collection in the building. We all look at these impressionist and post-impressionist paintings as very traditional, but the standards of current contemporary art at the time were incredibly avant-garde. Barnes was a very forward-looking individual and contemporary thinker in many ways.” The instructors and docents worked closely with the architecture team to see how sustainable design and architecture could be communicated to visitors. “I think that the Barnes is interested in setting an ex-ample and weaving that into the narrative of education, says Ryan.”

The architects also worked closely with OLIN, the project’s landscape architecture and urban design firm, which has offices in Philadelphia and Los Angeles. The Barnes’ garden and terrace were planted with native and adapted plants to mini-mize maintenance and water needs. The Barnes grounds in Merion were the primary inspiration, says Yue Li, an associate on OLIN’s project team.

Li cites the reaction of Henri Matisse, who cre-ated the iconic mural “The Dance” for the Barnes in Merion, when he first laid eyes on the original building. Looking through its French windows, Matisse said, “one sees only the lawn, only green and flowers and bushes perhaps; one does not see the sky.”

“We tried to recreate this scene of green look-ing out the main gallery windows,” says Li. “We planted a lot of ground cover and densely planted shrubs that buffer the gallery from the urban traf-fic on the Parkway.”

8 | GREENPRINT | DELAWARE VALLEY GREEN BUILDING COUNCIL 2012

Li described how the Barnes’ design also fol-lows the firm’s broader philosophy. “OLIN has been applying sustainable design principles since the start of our practice. Our office’s tradition is to be sensitive to the environmental impact of what we do. We view sustainability as not only referring to the environment, but also to cultural, social and economic sustainability.”

In McDowell’s view, the use of sustainable design characterizes the Barnes’ aspiration to become one of the city’s major cultural insti-tutions. “The Barnes sees itself as a long-term institution on the Parkway,” he explains. “It will be a contributor to the arts community and an organization that wants to promote good and responsible design. We hope that we serve as a model and an encouragement for this effort to continue.”

For more, visit barnesfoundation.org

We all look at these impressionist and post-impressionist paintings as very traditional, but the standards of

current contemporary art at the time were incredibly avant-garde.”

— Philip Ryan, Barnes’ project manager and senior associate with New York firm Tod Williams Billie Tsien Architects

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One local hospitality group working to meet these standards is Hersha Hospitality. “There’s so much you can get done just by making simple operational changes,” says Bennett Thomas, vice president of finance and sustainability. Hersha has developed EarthView, a program that provides a standardized approach to sustainability that is ex-ecutable across their portfolio of hotel brands—in Philadelphia they work with the Rittenhouse Hotel as well as Hyatt, Marriott, Hampton Inn and Holi-day Inn hotels.

EarthView will prepare Hersha for Greenbuild, but more importantly, also makes good sense for their business. In addition to reducing carbon emissions, water use and waste production (all Greenbuild goals), EarthView could have signifi-cant financial benefits. “We have forecast to save $8 to $10 million from the baseline year from Phase I of the program,” says Thomas. Phase I includes offering recycling in all guest rooms, retrofitting incandescent bulbs to CFLs or LEDs and tracking energy usage through EPA’s Portfolio Manager program.

For other hoteliers, USGBC has developed a system to ensure that the conference’s discerning clientele finds their accommodations up to snuff. “Because green building sits at the forefront of the environmental and economic opportunities before us,” says Kate Hurst, USGBC’s Greenbuild and events director, “it’s essential that we in the Greenbuild community take the lead in greening the field of conferences and events.”

And take the lead they have. USGBC has de-veloped a Green Venue Selection Guide that in-cludes a comprehensive environmental question-naire for hotel and conference center operators to

evaluate their energy use and performance, water efficiency, purchasing practices, waste manage-ment, occupant health and comfort, and trans-portation. The questions touch on aspects of the Leadership in Energy and Environmental Design (LEED) standard that pertain to the hospitality industry, although USGBC doesn’t require a hotel to be LEED-certified in order to work with them.

Once the environmental practices of the hotel are established through the questionnaire, the USGBC develops a contract with the venue. Only contracted hotels will be listed as places to stay for Greenbuild. An audit process during the confer-ence verifies that hotels are adhering to contract requirements. After every Greenbuild conference, USGBC puts together a comprehensive sustain-ability report on how well each hotel performed in achieving their greening goals.

USGBC hopes Greenbuild’s requirements will have a lasting affect, especially on Philadelphia’s older buildings. For the first time in Greenbuild his-tory, the Host Committee—lead in Philadelphia by DVGBC—will work with area hotel manage-ment to help them understand what steps would be required for their buildings to become LEED-certified. Currently the only LEED-certified hotel in Philadelphia is the Hotel Palomar at 17th and Sansom Streets.

And, as sustainably-minded hospitality groups like Hersha become more prevalent, USGBC’s job is only getting easier, says Hurst. “The hos-pitality industry is changing and sustainability has been top of mind for a while now.” That’s good news for Greenbuild and Philadelphia.

For more, visit usgbc.org

THE GREEN

ROOMLOCAL HOTELS RISE TO THE CHALLENGE OF GREENBUILD By Samantha Wittchen

WHEN Greenbuild, the U.S. Green Building Council’s

(USGBC) annual conference and expo, comes to Phila-

delphia in 2013, it will attract more than 30,000 sustain-

ably-minded folks to the region, all of whom will need

a place to stay. But for Greenbuild attendees, a clean

room and comfy bed won’t be enough—they’ll expect

the hotels they patronize to uphold the same environ-

mental standards they’ll be discussing at the conference.

DELAWARE VALLEY GREEN BUILDING COUNCIL 2012 | GREENPRINT | 9

WALLS MADE FROM PLASTIC BOTTLES. Rainwater recy-

cled to flush toilets. Electricity generated from the sun. Green

building is on the rise across the nation, and institutions in the

Philadelphia region are prime examples. While only some have

official Leadership in Energy and Environmental Design (LEED)

certification, all have a common mission: to reduce their car-

bon footprint and educate visitors about the benefits of sus-

tainable design. Below are SIX institutions in and around the

Philadelphia region leading this movement.

CULTURALSHIFT PHILADELPHIA’S MAJOR

INSTITUTIONS EMBRACE GREEN BUILDING PRACTICES By Kristen Dowd

10 | GREENPRINT | DELAWARE VALLEY GREEN BUILDING COUNCIL 2012

FOUNDED IN 1982 as a partnership of the University of Pennsylvania, the American Chemical Society and the American Institute of Chemical En-gineers, the Chemical Heritage Foundation’s (CHF) mission is to foster an understanding of chemistry’s impact on society. But the $17 million green makeover at its Chestnut Street museum and conference center suggests that sustainability is also high on the CHF agenda.

The CHF building renovations, unveiled in October 2008, include the re-cycling of all demolition materials (a significant undertaking, largely because the building’s layers date back to at least 1912), energy monitoring, motion sensitive lighting and a “recycled restroom” on the second floor, featuring double-flush toilets, plastic bottle walls and soda can floors.

The organization includes sustainability in day-to-day work life, too, using exclusively recycled office paper and bathroom materials, and earth-friendly cleaning products. In 2002, energy control systems instituted at CHF re-duced electricity usage by 65 percent. The largest green program at CHF is the Conference Center, which hosts 6,000 guests annually, but doesn’t use one-use paper products and plastic bottles. Instead, china, silverware and pitchers of water with glassware are used.

THE MORRIS ARBORETUM Horticulture Center opened in 2010 as the hub for horticulture, public programming and facility staff. The 20,849-square-foot building in Chestnut Hill is LEED Platinum certified and received the 2012 American Architecture Award for top new projects in the country.

Designed to the highest green building standards, the Horticulture Cen-ter provides the space to manage the 167-acre property, while maintaining the Arboretum’s commitment to environmental stewardship and educating visitors about the importance of natural resource protection. The Center boasts geothermal wells, a green roof, solar energy, water cisterns and more. Forty percent of the building materials were regionally sourced, recycled or salvaged, and the architecture takes full advantage of natural light.

As part of the University of Pennsylvania, the Horticulture Center is adding to an already robust portfolio of LEED buildings, which include the Perelman Center for Advanced Medicine, Franklin Field Pavilion Sports Complex, the Music Building and, most recently, the Law School building on Sansom Street.

IN SPRING 2013, the Philadelphia Zoo will introduce its biggest green building achievement to date: the Hamilton Family Children’s Zoo & Faris Family Education Center. Slated for LEED certification, the building will have green roof cisterns to recycle water, geothermal heating, energy efficient strategies and a stormwater management plan, among other features.

The center will be joining an already impressive list of green building achievements at the Zoo—including geothermal wells at the McNeil Avian Center and Zoo Shop, and the Wetland at the Zoo, a manmade habitat around historic Bird Lake that received the 2012 Governor’s Award for Environmental Excellence. Along with green building, the Zoo has also worked to reduce its water consumption by half, and continues to implement sustainability-minded policies in energy use, waste management, horticultural care and purchasing.

PHILADELPHIA ZOO

MORRIS ARBORETUM

CHEMICAL HERITAGE FOUNDATION

PROGRESS: •CompletedFall2010

LEARN MORE:•morrisarboretum.org

PROGRESS: •OpeningSpring2013

LEARN MORE: •philadelphiazoo.org

PROGRESS: •CompletedFall2008

LEARN MORE:•chemicalheritage.org

FEATURES:•Geothermalwells•Greenroof•Watercisterns•LEEDPlatinumcertified

FEATURES:•Greenroofcisterns•Geothermalheating•Stormwatermanagementplan•SlatedforLEEDcertification

FEATURES:•Energymonitoring•Motionsensitivelighting•“RecycledRestroom”

100 E. NORTHWESTERN AVE.

3400 W. GIRARD AVE.

315 CHESTNUT ST.

DELAWARE VALLEY GREEN BUILDING COUNCIL 2012 | GREENPRINT | 11

NINE YEARS AFTER launching their Go Green! campaign at Lincoln Financial Field, the Philadelphia Eagles are reaching another sustainability milestone: local clean energy. Through a partnership with New Jersey energy company NRG, 14 micro wind turbines and 11,000 solar panels will provide 100 percent of the energy needed for game days. Solar panels will be installed along 11th Street, the stadium’s south-facing façade and in the parking lot. The wind turbines will sit on the top of the stadium’s north and south sides. Aimed for completion in December 2012, the changes will make Lincoln Financial Field one of the greenest major sports facilities in the world.

These stadium renovations make sense for a team that’s been using en-vironmentally friendly practices for nearly a decade. The Philadelphia Eagles headquarters and team facilities at the Novacare Complex are already outfit-ted with solar panels and green building elements.

Composting and recycling are also key at Lincoln Financial Field, where there is a 97 percent diversion of game day waste—meaning only three per-cent of those hot dog wrappers, soda cups and leftover French fries go to a landfill. Even the cooking grease gets new life at a biodiesel conversion facility.

“This is a chance to do the right thing,” says Rob Zeiger, senior vice presi-dent of communications. “It’s also a chance to show our fans how easy it is to make their lives greener than they were before.”

CURTIS INSTITUTE OF MUSIC is one of the world’s leading conserva-tories. Founded in 1924, Curtis educates and trains musicians for careers as performing artists. Last fall, the Institute extended its Locust Street campus by opening the $65 million, LEED Gold certified Lenfest Hall.

“It seemed as natural to utilize LEED concepts in the building design as it did to consider the sophisticated acoustical elements,” said Elizabeth War-shawer, executive vice president. The state-of-the-art music education and student residence building uses an energy recovery ventilation unit to recover heat and moisture from exhausted air. The building’s overall water use was reduced by 40 percent thanks to a green roof stormwater retention system and low-flow water fixtures and showers.

“Curtis has a proud history, respects its heritage and maintains its tradi-tions and historic buildings,” says Warshawer. “But Curtis also looks forward, respects the environment and wants to set the right example for our gifted young musicians and our entire school community.”

AFTER MORE THAN TWO DECADES without major renovations, the Franklin Institute officially broke ground in April on a new facility: the 53,000-square-foot Nicholas and Athena Karabots Pavilion. Slated for LEED Silver certification, the building features sustainable elements including a rain garden, recycled and local materials, water efficient landscaping and Forest Stewardship Council certified wood. This state-of-the-art addition will house the permanent exhibit, “Your Brain,” as well as an expanded education center, modern conference center and climate-controlled traveling exhibition gallery. Construction is expected to be completed in 2013.

While this is the first LEED building for The Franklin Institute, the museum is no stranger to sustainability. As a gold member of the Greater Philadelphia Green Business Program, the Institute has adopted green business practices internally to reduce the museum’s overall impact on the environment. This includes green printing practices, eliminating bottled water and offering a car pool message board for employees who drive. Education is an impor-tant part of the museum’s sustainability practices as well, and their website provides resources and book recommendations for the public on leading a more sustainable lifestyle.

FRANKLIN INSTITUTE

CURTIS INSTITUTE OF MUSIC

LINCOLN FINANCIAL FIELD

PROGRESS: •CompletedFall2011

LEARN MORE:•curtis.edu

PROGRESS: •Opening2013

LEARN MORE:•fi.edu

PROGRESS: •TobecompletedinDecember2012

LEARN MORE:•lincolnfinancialfield.com

FEATURES:•Energyrecoveryventilationunit•Greenroofwaterretentionsystem•Low-flowwaterfixtures&showers.•LEEDGoldcertified

FEATURES:•Raingarden•Recycledandlocalmaterials•Waterefficientlandscaping•SlatedforLEEDSilvercertification

FEATURES:•14microwindturbines•11,000solarpanels•100percentrenewableenergyforgamedays

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1 LINCOLN FINANCIAL FIELD WAY

222 N. 20TH ST.

12 | GREENPRINT | DELAWARE VALLEY GREEN BUILDING COUNCIL 2012

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Building Envelope The boundary separating a building’s interior environment from its exterior. The envelope usually includes the roof, doors, windows, foundation and walls.

Carbon Footprint A calculation of total greenhouse gases produced from commercial, industrial and individual activities.

Coalition for an Energy Efficient Philadelphia (CEEP) A broad coalition of businesses, institutions, citizens and organizations working to achieve a higher degree of energy efficiency in all Philadelphia buildings to stimulate economic growth, create jobs, save money for residents and businesses, and increase sustainability in all neighborhoods.

Daylighting Designing a building with windows or other openings that take advantage of natural light.

Energy audit An inspection performed by a certified auditor to determine a home or building’s level of energy efficiency. The process involves detailed data collection and an engineering analysis, resulting in a written report with recommendations and a cost/savings analysis.

Energy Efficient Buildings (EEB) Hub Established in February 2001 by the U.S. Department of Energy to advance energy science and engineering from research to commercial use. Located at the Navy Yard, the EEB Hub is tasked with improving energy efficiency in buildings and promoting regional economic growth and job creation. Its goal is to reduce energy use in Philadelphia’s commercial buildings 20 percent by 2020.

Energy Star An international standard for household appliances and buildings that perform at specified levels of energy efficiency. The certification was established in 1992 by the Environmental Protection Agency and the U.S. Department of Energy

Greenbuild International Conference and Expo The world’s largest annual conference dedicated to green building. Hosted by the U.S. Green Building Council, the conference features speakers, networking opportunities, industry showcases, LEED workshops and tours of the host city’s green buildings. Greenbuild 2013 will be in Philadelphia.

Green roof A rooftop covered with a vegetation growing system. This system is usually planted over a waterproofing membrane, drainage plane and water retention medium. Green roofs help control stormwater runoff, minimize urban water pollution and reduce surface temperatures, among other benefits.

Green wall/living wall Self-sufficient vertical gardens attached to the exterior or interior of a building. Rooted in a structural support attached to the actual wall, these systems can be used for air or water filtration.

Greywater system Wastewater from bathtubs, showers, sinks, washing machines and dishwashers that can be recycled for activities such as irrigation, toilets and exterior washing. These systems can be incorporated into plumbing, helping to seamlessly conserve water and save money.

Home Energy Rating System (HERS) A scoring system that provides a standardized evaluation of a home’s energy efficiency. Established by the Residential Energy Services Network (RESNET), HERS can be used on existing or new homes, and is based on an index of 100. Each one-point decrease in the HERS Index corresponds to a one percent reduction in energy consumption; a net zero energy home scores zero.

Leadership in Energy and Environmental Design (LEED) A system for rating buildings designed, constructed and operated with sustainability as a top priority. The comprehensive system, developed by the U.S. Green Building Council in 1998, is based on prerequisites and points that take into consideration community resources and public transit, site characteristics, water and energy efficiency, materials, indoor environmental quality and innovation, among others. There are four levels of certification: certified, silver, gold and platinum (the highest).

LEED Accredited Professional (AP)An individual with advanced knowledge in

green building practices. The AP credential is achieved through a two-part exam; the second part allows individuals to specialize in a specific LEED Rating System: building design and construction, home, interior design and construction, neighborhood development, or operations and maintenance.

LEED Green Associate (GA) An individual who has demonstrated non-technical knowledge of green design, construction and operations.

Living Building Challenge A program launched and operated by the Cascadia Region Green Building Council that’s intended to go beyond LEED standards. This certification program is for buildings, neighborhoods, renovations or non-conditioned spaces that meet advanced measurements of sustainability in seven performance areas: site, water, energy, health, materials, equity and beauty.

Low-Flow Fixture Plumbing fixtures that combine efficiency and high performance to save water without affecting performance. Low-flow toilets, faucets and shower heads are available; many carry the Environmental Protection Agency’s WaterSense label.

Net Metering A policy that credits consumers who have installed a renewable energy source, such as wind turbines or solar panels, and produce excess energy.

Net-zero/carbon neutral Achieving net-zero carbon emissions by balancing carbon released with an equal amount of sequestered, avoided or offset carbon.

Passive House Buildings that have extremely low energy needs. Passive houses consume less than a quarter of the energy required for a standard building.

U.S. Green Building Council (USGBC)A nonprofit founded in 1993 that’s dedicated to sustainable building, design and construction. USGBC developed the LEED rating system in 1998.

Volatile Organic Compound (VOC) Organic chemicals emitted as gas from certain solids or liquids. VOCs can have a harmful effect on air quality, and are widely found in paints, carpets and adhesives.

A SHORT GUIDE TO THE BASICS OF GREEN BUILDING

GLOSSARY

Forest Stewardship Council (FSC)An international nonprofit that supports responsible management of the world’s forests. FSC sets standards for environmentally responsible, socially beneficial and economically viable forestry practices. As part of these standards, FSC certifies landowners and companies selling timber or forest products to ensure the forestry is consistent with their mission.

14 | GREENPRINT | DELAWARE VALLEY GREEN BUILDING COUNCIL 2012

DELAWARE VALLEY GREEN BUILDING COUNCIL 2012 | GREENPRINT | 15

Bryn Gweled HomesteadsCooperative Living Since 1940

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Inclusive, multi-generational community in wooded lower Bucks County. Homes available. Gardens and livestock possible. Easy commute to Center City.

Environmentally-Friendly Wood Floors, Naturally

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(800) 363-6881

Materials installation repairs

the pre-Finished Hardwood specialist since 1985

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Healthy Land – Beautiful Landscapes

www.green-weaver.com • 610-358-8900

Commercial & Residential design, instaLLation and maintenance

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HIC# PA013168

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