3rd Annual Next Generation Water Summit Workshops Announced

The Next Generation Water Summit is pleased to announce a very broad range of pre-and post-Summit water workshops. Several of the workshops will start prior to the Summit on June 5th and continue after the Summit through June 25th.

The workshops include: Greywater Basics, Water Efficiency Rating Score (WERS)® Verifier and Consultant training, Commercial Water Auditor Training, Hotel Water Audits, QWEL Landscape training, and several others. This is the first time several of these courses will be presented in New Mexico and are open to professionals and students.

The Commercial Restaurant Water Auditor class, held June 7th and June 10th, is the first of its kind anywhere in the country. This class is being taught by Bill Hoffman, and those who attend and successfully pass the test will become a Commercial Restaurant Water Auditor. The City of Santa Fe Water Conservation Office will assist in the recruitment of restaurants to be audited and will use the auditors that successfully complete this workshop. A test and a sample audit will be performed as part of the class.

“The Summit always represents an educational opportunity for those interested in a water career,” stated Christine Chavez, Manager of the Water Conservation Office for the City of Santa Fe. “This year we are especially excited to see the rollout of our Commercial Restaurant Audit Program. Saving water is always important in Santa Fe, and this class expands our conservation programs into the commercial restaurant sector. We will support this program with rebates and promotions to hopefully audit over 200 restaurants during the next 12-18 months,” she concluded.

The Water Efficiency Rating Score (WERS)® Verifier course, occurring June 5th through the 7th, provides in-depth and practical experience in performing residential water assessments for new and existing residential properties. This class is required to become a WERS Verifier. The WERS Consultant course, held concurrently on June 5th and 6th, is also being offered and plumbers, builders, irrigation professionals and water reuse professionals are eligible to attend this professional designation course.

Greywater Basics, scheduled for June 24th and 25th, will cover how to build and maintain a Greywater system and includes a field trip to view a working system. This course is intended for both plumbers and homeowners.

The Hotel Audit class will also be instructed by Bill Hoffman and will follow the Restaurant Audit class. It will focus on appliances and water-features not included in the restaurant workshop (e.g. cooling towers, laundry facilities, swimming pools and spas, etc.). This class will be held June 11th.

The Qualified Water Efficient Landscaper (QWEL) professional certification provides landscape professionals and others education on local water supply, sustainable landscaping, soils, landscape water budgets, irrigation system components and maintenance, irrigation system audits, and scheduling and controller programming. An audit and an exam is included in this class. This class is scheduled for June 17th – 21st.

“Water workshops and water certification courses are part of the Next Generation Water Summit every year, and this year we have the broadest array of workshops we have ever had,” stated Doug Pushard, co-chair of this year’s Summit. The ability to earn valuable Continuing Education Credits or new water certifications is an important part of the mission of the NGWS.

Detailed information about these workshops can be found at: www.NextGenerationWaterSummit.com.

The Next Generation Water Summit brings together the building and development community, water reuse professionals and water policymakers in a collaborative setting to share best practices and learn about innovative water conservation and water reuse techniques that can be used to comply with water conservation restrictions spreading across the Southwest.

Hosts of the Next Generation Water Summit are the Santa Fe Green Chamber of Commerce, Green Builder® Coalition, City of Santa Fe, the Alliance for Water Efficiency and the Santa Fe Area Home Builders Association. Santa Fe Community College is the official education sponsor, and Green Builder® Media is the national media partner.

3rd Annual Next Generation Water Summit Early Registration is Open

Early bird registration is open for the 3rd Annual Next Generation Water Summit (NGWS) to be held on June 12th – 14th, 2019 in Santa Fe, NM.

Next Generation Water Summit logo
Next Generation Water Summit logo

A few of the exciting topics that are scheduled include:

  • “Utilization of Marginal Water” by Dr. Bernstein of the Israeli Institute of Soil Water and Environmental Sciences
  • “Emerging Viruses and Bacteria due to Rising Temperatures” by Dr. Nichols, formerly of the CDC
  • “How Building Codes Save Water” by Hope Medina
  • “Irrigation Water Budgets – A Comparative Review” by Dr. St Hilaire
  • “Water Reuse Trends” by Kyle Pickett, Co-founder & COO of Urban Fabrick, Inc.

As in prior years, the Summit will be preceded by several technical training courses that offer advanced water certifications for attendees. Workshops that will be held before and during the Summit include:

  • Commercial Water Audit Verifier Training
  • Water Efficiency Rating Score (WERS)® Verifier and Consultant Training
  • Greywater System Design

The Summit is a unique water and water reuse event that will feature builders presenting on Net Zero Water Houses and Near Net Zero Water houses.  These Southwestern builders will host a design workshop for builders, contractors, home owners or architects that need assistance in designing net zero water dwellings.

Prospective attendees will not want to delay registering for this rare opportunity, as seats are limited. Early bird registration is available now through January 15 at the special rate of $200.

For more information on the Summit, please visit www.NextGenerationWaterSummit.com.

Hosts of the Next Generation Water Summit will be the Santa Fe Green Chamber of Commerce; Green Builder® Coalition; City of Santa Fe; the Alliance for Water Efficiency, KUELwater, and the Santa Fe Area Home Builders Association.

About the Next Generation Water Summit
The Next Generation Water Summit brings together the building and development community, water reuse professionals and water policymakers in a collaborative setting to share best practices and learn about innovative water conservation and water reuse techniques that can be used to comply with water conservation restrictions spreading across the southwest.

Built Green Canada’s Partnership with Green Builder® Coalition Brings First Performance-Based Water Rating to Canada

Built Green CanadaBuilt Green Canada has partnered with the Green Builder® Coalition to bring performance-based water efficiency to Canada through its third-party certification programs’ water conservation section.

Though parts of Canada, and the world, are increasingly experiencing droughts, and freshwater ecosystems are shown to be under stress, water conservation in the residential building industry has not received the attention energy efficiency has, though they are both connected and significant; in this respect, the Water Efficiency Rating Score (WERS)® is a step forward.

WERS is based on measurable parameters, along with a scoring scale of zero to 100, zero being the most desirable. Indoor water use considers the main plumbing fixtures of toilets, showers, lavatory and kitchen sinks, clothes washers and structural waste. Those who run the shower for a while before getting hot water are familiar with structural waste: it refers to the amount of water wasted before usable hot water arrives at the furthest hot-water using fixture.

Meanwhile, WERS includes the ability to account for all outdoor water use, as well as reuse via rainwater, greywater and blackwater catchment calculations. Depending on the verified filtration methods for rainwater and greywater, they can be used to offset indoor water use. Additionally, any remaining unused rainwater, greywater and/or blackwater (if applicable) can be credited to potential outdoor use.

“Industry and all orders of government increasingly are focused on the reduction of greenhouse gas emissions (GHGs) and in the residential building sector, the emphasis is on improving the energy performance of buildings,” says Built Green Canada’s chief executive officer Jenifer Christenson. “While energy efficiency is an essential component of sustainable building practices—and our programs—we want to broaden the conversation and shine a light on a more balanced approach that also includes indoor air quality, waste management, and water conservation—some of the key areas of our programs. Despite Canada’s water endowment, we are not immune to water shortages and periods of drought. Moreover, reductions in water usage will save energy, further contributing to the decrease in GHGs.”

Built Green Canada recognizes the pressure on municipalities to supply water to households: managing water demand and financing, building and repairing water infrastructure is a priority. The reduction in water usage can help lessen a number of challenges, including water shortages and increased energy consumption to pump and treat water, pollutants in water bodies, and the expansion of water and wastewater infrastructure. A focus on water conservation helps reduce the load on civic infrastructure: a reduction that can result in a significant financial savings while supporting climate mitigation targets.

WERS logo“Water shortages and droughts don’t adhere to boundaries, so taking WERS beyond the borders of the United States is a natural progression for the program,” said Mike Collignon, executive director of the Green Builder® Coalition. “I’ve long felt that the policies and incentives that can be linked to WERS are equally applicable, and potentially more essential, outside the United States. We’re excited to partner with Built Green Canada on this journey.”

The WERS tool will be Canadianized in the coming months, verifier training will occur in the spring, and Built Green is encouraging trials through 2019. Builders will earn points toward their BUILT GREEN® home certification, while being able to understand the overall performance of their projects’ water use and make smart choices on the products they incorporate into their builds—and pass along the associated benefits to their customers.

The BUILT GREEN® Single Family and Renovation programs already utilize Natural Resources Canada’s EnerGuide label, which calculates the build’s energy efficiency and helps builders and homeowners understand how the home’s energy is being used—much like WERS does for water usage.

Built Green Canada is an industry-driven, national, non-profit organization offering third-party certified programs for single family, renovations, and high density projects. Since its inception, builders have worked with Built Green to complete over 31,280 certified homes represented in Alberta, British Columbia, Saskatchewan, and Ontario—including the units in multi-story projects, the total is over 34,135.

Pearl’s Premium, the Ultimate Grass, Adds WERS to its Long List of Partners

pearls-premium-logoConventional turfgrass is a large consumer of water, wasting up to 50% of our clean drinking water according to the EPA. A modern toilet uses 6 gallons per day, but your average lawn uses 2,500 gallons per day. Plus, it adds significantly to your water bill, as those who have irrigation systems are acutely aware. Your lawn can also be a cause for a higher Water Efficiency Rating Score (WERS)®. That’s why the Green Builder® Coalition has partnered with Pearl’s Premium via the WERS – Manufacturer Program to provide a 20% discount on their award winning mixtures of sunny, shady, and sun/shade grass seed, when buying at www.PearlsPremium.com and putting in the discount code “WERS20”.

The time for planting grass seed is now for the southern half of the country, including California. For the rest of the country, plant in the early spring, early fall or whenever soil temperatures are between 50 and 70 degrees Fahrenheit. To check your local soil temperature, go to www.PearlsPremium.com, click on the green button in the upper left corner and put in your city and state. If you are re-seeding, do not tear up the lawn. Simply spread the seeds over existing grass to out-compete the existing grass and weeds to look dark green and beautiful (like the picture below) in all 50 states, Canada and all climates worldwide:

pearls-premium-lawn

Jackson Madnick, founder and seed developer at Pearl’s Premium, said, “People in California and hot climates call it ‘The Holy Grail of Grass’ or ‘Guilt Free Grass’, not using all that water, chemicals, time, protecting health, saving money and helping to lessen climate change.” Madnick also noted it is the only grass that can earn LEED Credits (up to 6).

“In some areas of the United States, a lawn is a luxury that few can afford due to both the cost of water and the intense consumer of time: mowing weekly. In some places, it’s just environmentally irresponsible,” exclaimed Mike Collignon, Executive Director of the Green Builder® Coalition. “My hope is that people consider this product as a way to have the best of both worlds; a beautiful lawn for themselves and their family, but with a very small ecological footprint.” Collignon went on to say he planted some of Pearl’s Premium in his own backyard, and within 7 days, it sprouted and now looks great.

Pearl’s Premium becomes the fourth manufacturer to join the WERS – Manufacturer Program, following Evolve Technologies, Ecovie, and Flow-Know.

pearls premium - roots

About Pearl’s Premium
Pearl’s Premium Ultra-Low Maintenance Lawn Seed is a patented, extreme drought-tolerant grass that delivers breakthrough performance. Because it grows very slowly, it only needs to be mowed once a month, rather than weekly. It grows very deep 4-foot roots rather than 3 or 6-inch roots, so a homeowner will be able to cut turf watering by 75%. From the deep roots, it never needs lawn chemicals to out-compete most weeds and stay green year-round, so it is safer for children, animals and the elderly. Rather than chemicals for nutrients, Pearl’s Premium Grass needs small amounts of safer organic fertilizer or compost applied only once or twice a year. From the 4-foot deep roots in the ground and more surface area above the soil, this grass sequesters 8 X the carbon, pulling it out of the air to lock into the soil, to actually help lessen climate change and extreme weather. Its roots do not spread sideways, so there is no weeding of the grass out of flower or vegetable beds. It is dark green, barefoot soft, Non-GMO and fairly weed free. Pearl’s Premium has had over 300 rave reviews by experts & is sold at select Whole Foods. Pearl’s Premium gives back, donating seed to Habitat for Humanity & other causes related to children, animals & environmental education. For more info and to purchase, visit www.PearlsPremium.com or call (508) 653-0800.

Santa Barbara Eyes WERS for Administering Code Compliance

On August 14th, 2018, Santa Barbara (CA) City Council adopted an ordinance modifying water metering regulations and incentivizing ultra-high water use efficiency projects. To help assess the efficiency of multifamily projects, the City is looking to enlist the Water Efficiency Rating Score (WERS)® as a path to administer compliance.

City of Santa Barbara sealUnder the new ordinance, developers would have more flexible water metering options by verifying their project meets ultra-high water use efficiency standards through an independent rating institution. The Public Works Director is finalizing an administrative policy for implementation of the ordinance, including standards for ultra-high water use efficiency and approval of independent rating institutions. Madeline Wood, Water Conservation Supervisor for the City of Santa Barbara, said, “We worked with local industry stakeholders to formulate a path to code compliance that both met the City’s need for conservation and the practical needs of the design/build community. After much consideration, we think this will be a good fit for all parties.”

The Water Efficiency Rating Score (WERS)® is an independent rating system that evaluates water usage and conservation. Since it is a performance-based program, it would allow the City to simultaneously enforce existing conservation requirements while incentivizing new efficiency measures. At the same time, there is a certain level of flexibility for the design/build community within the program in order to help meet client needs.

“The City of Santa Barbara’s innovative spirit should be commended,” stated Mike Collignon, Chair of the WERS Development Group. “They are the first municipality to incorporate performance-based water conservation into their multifamily regulations.” Collignon also lauded the collaborative efforts of Santa Fe, NM. At the request of Santa Barbara staff, Santa Fe shared their codification experience with WERS. The City of Santa Fe has used WERS as a code requirement for single-family properties since March 2017.

The ordinance does not take effect until September 13, 2018.

Flow-Know® Becomes Third Company to Join WERS – Manufacturer Program

Gray Line Systems, maker of the Flow-Know® brand of irrigation controllers and flow sensors, is the latest manufacturer to join the WERS – Manufacturer Program.

Flow-Know® will offer a 20% discount on all the products in their online store. “Compared to indoor water use, irrigation is the larger consumer of water,” said Green Builder® Coalition Executive Director Mike Collignon. “Now that property owners can see exactly how much water is being used, they can make efficiency adjustments much sooner.”

The Flow-Know® sprinkler controller is programmed with an iPhone over the Internet. The controller is compatible with all sprinkler systems that utilize 24VAC valves. With support for 2 flow sensors, the Flow-Know® allows a property or building owner to use their iPhone to track both household/business water usage, as well as the landscape water usage, before a surprisingly high water bill arrives.

Joe Bangs, the developer of the Flow-Know technology, is frequently heard saying, “Our water utilities do a great job delivering water to our homes and businesses, but as consumers, we need on-demand, real-time consumption data to effectively manage (and improve) our water use habits. Our phones are an integral part of our lives, so it just makes sense to access our data with just a few taps in the Flow-Know app.”

Discussions with other manufacturers are ongoing, with agreements and corresponding announcements anticipated in the near future. The Coalition continues to seek additional manufacturer partners. To join the program, please contact Mike Collignon.

About Flow-Know®
Gray Line Systems is a technology development and manufacturing company based in San Antonio, Texas. The goal of the Flow-Know® product family is to produce water usage data that helps consumers conserve water and save money. To learn more, please contact Joe Bangs.

WERS Educational Sessions at Industry Conferences

Here is the list of upcoming WERS educational sessions:

  • Getting to Zero National Forum – 4:00pm on April 18, 2018 in Pittsburgh, PA
  • 2018 Home Performance Coalition National Conference
    • Energy Codes from 2009 to 2018: A Multi-State Look at Compliance Verification Service Opportunities – 10:30am on April 24, 2018 in Philadelphia, PA
    • Water Ratings in Santa Fe: A Look Back at Year 1 – 1:30pm on April 24, 2018 in Philadelphia, PA
  • Next Generation Water Summit
    • WERS: Train the Trainer – 9:00am on April 29, 2018 in Santa Fe, NM
    • WERS Workshop for Builders, Developers and Designers – 3:00pm on April 29, 2018 in Santa Fe, NM
  • American Water Works Association Annual Conference & Expo (ACE) – 8:30am on June 13, 2018 in Las Vegas, NV

Next Generation Water Summit Workshops Offered at Santa Fe Community College

Santa Fe Community College (SFCC) announced its partnership with the 2018 Next Generation Water Summit. As the education partner for the Summit, SFCC will host several water education workshops before and after the Summit, scheduled April 29 through May 1 at the Santa Fe Community Convention Center.

The workshops include: Greywater Basics, Rainwater Accredited Professional (ARCSA AP) Class, Water Efficiency Rating Score and Commercial Water Auditing, among others. This is the first time several of these courses will be presented in New Mexico and are open to professionals and students. All courses will be held at Santa Fe Community College, 6401 Richards Ave. For detailed information about the courses and to register, visit: https://www.energysmartacademy.com/water.html or call 505-428-1866. Information about the 2018 Next Generation Water Summit can be found at: www.NextGenerationWaterSummit.com.

“It’s a privilege to partner with the Alliance for Water Efficiency, the Santa Fe Green Chamber of Commerce, Green Builder® Coalition, the Santa Fe Area Home Builders Association and the City of Santa Fe by serving as the education partner for the Summit,” said Interim President Cecilia Y.M. Cervantes, Ph.D.  “We are excited to offer these valuable and innovative water workshops, which complement the college’s already strong technology and building science offerings.”

  • The Water Efficiency Rating Score (WERS)® Verifier course, April 25 through 27, provides in-depth and practical experience in performing residential water assessments for new and existing homes. This class is required to become a WERS Verifier. The WERS Consultant course, April 25 and 26, is also being offered and plumbers, builders, irrigation professionals and water reuse professionals are eligible to attend this professional designation course.
  • Greywater Basics, April 26 and 27, will cover how to build and maintain a Greywater system and includes a field trip to view working systems.
  • The Rainwater Accredited Professional (ARCSA AP) Class, May 2 and 3, is an in-depth rainwater harvesting workshop required for those seeking a better understanding of rainwater catchment systems. The course tuition includes an ARCSA Rain Harvesting Planning Manual.
  • Commercial Water Auditing, May 2 and 3, will cover the basics of performing a commercial water audit for many type of facilities. A sample audit will be performed as part of the class.

Hosts of the Next Generation Water Summit will be the Santa Fe Green Chamber of Commerce, Green Builder® Coalition, City of Santa Fe, the Alliance for Water Efficiency and the Santa Fe Area Home Builders Association. Santa Fe Community College is the official education sponsor, and Green Builder® Media is the national media partner.

The Next Generation Water Summit brings together the building and development community, water reuse professionals and water policymakers in a collaborative setting to share best practices and learn about innovative water conservation and water reuse techniques that can be used to comply with water conservation restrictions spreading across the southwest.

About Santa Fe Community College

For more than 30 years, Santa Fe Community College has been the gateway to success for individuals and the community by providing affordable, high quality educational programs that serve the social, cultural, technological and economic needs of a diverse community. SFCC is designated a ”Best for Vets” and a “2015 Military Friendly” school. The college serves more than 15,000 students per year in its credit, noncredit and adult programs. For further information, visit sfcc.edu or call 505-428-1000. Follow us:  SFCC on Facebook, SFCC on Twitter, SFCC on LinkedIn.

WERS Consultant Designation Created

A new designation has been created that better serves those who want a deeper understanding of water ratings, but don’t necessarily want to become an in-the-field verifier or rater. A WERS Consultant would attend a course that has much of the same information as the WERS Verifier course, but would not include the field training or exam. The curriculum reduction means that the entire WERS Consultant course would only take 2 days to complete.

“We think this is an ideal opportunity for builders, architects and designers to learn more about a performance-based water efficiency program that can be very beneficial to their business,” said Mike Collignon, Chair of the WERS Development Group. “In addition to information about the WERS Tool, students will also be exposed to a wealth of technical material and information on relevant industry standards.”

The WERS Consultant designation would require CEUs in order to retain the moniker, but those requirements will be nominal and many will be low-to-no cost. “We’re responding to a market need with this new designation,” Collignon continued. “We’re not trying to overburden people with CEU requirements. Instead, the CEUs simply ensure that the Consultants stay current with us as we continue to learn about the many nuances across this great country. It also keeps an open dialogue with the WERS community, which is something we really value.”

The first opportunity to take this course will be in late October at the Santa Fe Community College in Santa Fe, NM. The nature of the WERS Consultant course also makes it easier to offer online, and those details are currently being addressed by the WERS Development Group.

Green Builder® Coalition Selects Triconic to Expand WERS Program

The Florida Home Builders Association (FHBA) recently announced their sponsorship of a new Certified Ratings Program; offering single-family homebuilders access to independent energy and water ratings based on Florida’s Energy Code and Water Star℠ owned by the St. Johns River Water Management District. For the Program, Triconic created a partnership between Water Star℠, the FHBA, UL and Intertek. The partnership gives home builders a program to get energy and water ratings from the same professionals.

The Green Builder® Coalition has also selected Triconic to administer the Water Efficiency Rating Score (WERS)® and therefore is taking steps to further its support of Water Star℠ objectives and offer certified WERS ratings. WERS provides a performance-based water efficiency rating and complements the prescriptive-based Water Star℠ Program.

“Builders love the flexibility, and with WERS, they’ll have the choice of a prescriptive water rating through Florida Water Star℠, or a performance-based water rating with WERS,” said Green Builder® Coalition and WERS Development Group Chair Mike Collignon.

“The Certified Ratings Program is the first to establish itself among state home builder associations, but with the support and scale of UL and Intertek, it is anticipated that other states will push expansion of similar programs beyond Florida starting late in 2017 and into 2018”, says Darrell Lehman, President of Triconic. Lehman continues, “There is such tremendous support for comprehensive energy and water rating options. So Triconic will continue fostering partnerships to bring builders more options like bringing WERS to Florida.”

Kim Shanahan, Coalition Board Chair, agreed. “The partnership Triconic assembled sets an exciting precedent that can and should be replicated with HBAs across the nation that seek to provide performance-based choices for rating energy and water usage in homes built by their members. The Green Builder® Coalition is eager to assist Triconic as it expands its outreach to other state HBAs.”

“This is a partnership we’ve been working on for quite some time,” said Collignon. “We always knew we would need assistance meeting demand from across the country. With the partners involved, we can take a program that originated in Santa Fe, NM and elevate it to the national (and potentially international) stage. The Coalition’s Board of Directors and the WERS Development Group are excited for the expansion of WERS.”

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About the St. Johns River Water Management District & Florida Water Star SM
St. Johns River Water Management District staff are committed to ensuring the sustainable use and protection of water resources for the benefit of the people of the district and the state of Florida. The St. Johns River Water Management District is one of five districts in Florida managing groundwater and surface water supplies in the state. The district encompasses all or part of 18 northeast and east-central Florida counties. District headquarters are in Palatka, and staff also are available to serve the public at service centers in Maitland, Jacksonville and Palm Bay. Connect with us on Twitter at @SJRWMD, Facebook, Instagram and Pinterest. For more information about the district, please visit www.sjrwmd.com.

About Triconic
Triconic designs, builds and operates certification programs for certification program sponsors. Triconic’s team has decades of experience in the Testing Inspection Certification (TIC) industry and can adapt a program to any certification area. Triconic provides a user-friendly certification experience, complete with software based certification tools, so clients can obtain their certifications quickly and easily. To learn more, please visit www.triconic.com.

About Intertek
Intertek is a leading Total Quality Assurance provider to industries worldwide. Through our network of more than 1,000 laboratories and offices and over 42,000 people in more than 100 countries, the Group is re-defining the industry with our Total Quality Assurance proposition. We go beyond physical quality control to provide total peace of mind through our innovative and bespoke Assurance, Testing, Inspection and Certification solutions for our customers’ operations and supply chains. Intertek Total Quality Assurance expertise, delivered consistently, with precision, pace and passion, enabling our customers to power ahead safely. www.intertek.com

About UL
UL fosters safe living and working conditions for people everywhere through the application of science to solve safety, security and sustainability challenges. The UL Mark engenders trust enabling the safe adoption of innovative new products and technologies. Everyone at UL shares a passion to make the world a safer place. We test, inspect, audit, certify, validate, verify, advise and train and we support these efforts with software solutions for safety and sustainability. To learn more, please visit ul.com.

About Green Builder® Coalition
The Green Builder® Coalition is the program sponsor for the Water Efficiency Rating Score (WERS)®. On a broader scale, The Coalition is a not-for-profit association dedicated to amplifying the voice of green builders and professionals to drive advocacy, information and education for more sustainable home building practices. We are an action-oriented community of green builders and professionals dedicated to uniting and growing our joint expertise, values and voice to create stronger standards for sustainable, more environmentally responsible home building. For more information, visit www.greenbuildercoalition.org.