Green Building Megatrends

10 Green Building Megatrends from the “Godfather of Green”

Jerry Yudelson, the “Godfather of Green”

 

Green building is facing a number of changes, according to “The Godfather of Green,” Jerry Yudelson. A LEED fellow and former president of the Green Globes rating system, Yudelson has recently written a book, Reinventing Green Building, in which he identifies 10 “megatrends” he believes will impact certification systems, markets, government rules, and green building technologies through 2020 and beyond.

Read more here.

Former Adversaries Agree to Collaborate on LEED

green building; Former Adversaries Agree to Collaborate on LEED

The U.S. Green Building Council and the American Chemical Council are collaborating to promote LEED.

Former Adversaries Agree to Collaborate on LEED

The United States Green Building Council (USGBC), which developed and administers the LEED green building rating system, has announced that it will collaborate with the American Chemical Council (ACC) to advance the LEED standard with help from “the materials science expertise of ACC and its members.”

According to USGBC president, CEO and founding chair Rick Fedrizzi, the collaboration will “ensure the use of sustainable and environmentally protective products in buildings by applying technical and science-based approaches to the LEED green building program.”

Though the ACC has attacked the LEED standard in the past, Fedrizzi said both groups are working to advance the sustainability of the built environment.

Read more here.

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A Simpler Approach to Better Buildings

house framing image; http://sourceable.net/simpler-approach-better-buildings/

Is there a simpler way to a high-performance building?

 

A Simpler Approach to Better Buildings

Building rating systems such as Green Star, LEED, and Passive House are here to stay, but many builders and home owners have grown frustrated at their cost and complexity.

 Would it be possible to improve the performance, quality, and sustainability of more homes with a simpler, more streamlined, and cheaper building standard?

As Allison Bailes, accredited energy consultant and writer, asked in his blog, “Wouldn’t it be great if we could list just a handful of measures that a home builder has to achieve to build a Pretty Good House?”

Read more here.

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Evolving Green Building Standards Improve Performance

Evolving Green Building Standards Improve Performance

LEED, Green Globes, Green Star are evolving with each update.

Evolving Green Building Standards Improve Performance

Green Star, LEED, and Passive House U.S. standards are undergoing – or have recently undergone – substantial revisions and are racking up more evidence of their efficacy.

The Green Star – Design & As Built rating tool draft credits, for example, were recently released by the Green Building Council of Australia for industry and public comment. According to GBCA chief executive Romilly Madew, the draft credits are a major milestone in the evolution of the Green Star program.

A major goal for this revision, Madew explained, was to “reduce the cost of compliance and certification and encourage innovation and world leadership in the delivery of buildings that are more sustainable and better for people too.”

Read more here.

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Green Globes Now Handed Out for Sustainable Interiors

sustainable interiors; http://sourceable.net/green-globes-now-handed-sustainable-interiors/

Green Globes now offers a rating tool for sustainable interiors.

Green Globes now Handed Out for Sustainable Interiors

The Green Building Initiative (GBI) has unveiled an addition to the Green Globes rating system called Green Globes for Sustainable Interiors.

The rating tool is designed for non-residential buildings and aims to give both building owners and individual tenants the flexibility to choose design improvements for their space only, without needing to address an entire building.

Read more here.

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With Powerful Backing, Green Globes Standard Advances at LEED’s Expense

powerful-backing-green-globes-standard-advances-leeds-expense

Green Globes has recently seen several favorable government decisions.

With Powerful Backing, Green Globes Standard Advances at LEED’s Expense

As LEED has become more ubiquitous, it’s also drawn the ire of the timber, chemical, and plastics industries that say the standard maligns their products. In response, they created their own green building standard, Green Globes, administered by the Green Building Institute of Portland, Oregon.

Though launched by a timber-industry executive, Green Globes is now run by Jerry Yudelson, a veteran figure in the green building movement. The GBI counts as board members several members of the timber, plastics, and chemical industries.

Read the Sourceable article here. More info here and here.

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Does LEED-ND Work for Established Neighborhoods?

image of established neighborhood; Does LEED-ND Work for Established Neighborhoods?

LEED-ND was developed jointly by the Natural Resources Defense Council, Congress for The New Urbanism, and the United States Green Building Council.

Does LEED-ND Work for Established Neighborhoods?

Similar in ambition and execution to GBCA’s Green Star – Communities program, LEED-ND provides a framework for “greener” development on a neighbourhood scale. Thanks to the different missions of the principles involved in its genesis, LEED-ND combines elements of green building, New Urbanism, and smart growth.

More about LEED:

Ohio Senate Votes to Ban LEED

Do Green Ratings Impact Affordable Housing?

 

‘Sustainable’ Doesn’t Have to Cost More

 

 

 

 

Sorting Out Green-Building Standards

What is a green home anyway? I’d say it’s a home that uses fewer and greener materials and methods to achieve a smaller overall environmental impact, while minimizing energy use and providing healthy shelter.

Oak Terrace Preserve in North Charleston is a neighborhood of EarthCraft homes and townhomes. Photo courtesy of North Charleston via Flickr.

Oak Terrace Preserve in North Charleston is a neighborhood of EarthCraft homes and townhomes. Photo courtesy of North Charleston via Flickr.

The following are among the most prominent, though some states and cities also have their own green building standards.

name description
Build It Green A California standard that merits inclusion just because of the size of the state’s building market. This nonprofit, member-supported organization trains building professionals in current best practices, works with governments to create favorable policy, and offers the GreenPoint Rated brand to help homebuyers learn the value of green-labeled homes. That’s about 9% higher than comparable non-labeled homes in California, according to a recent study.
EarthCraft A standard developed in and for the hot, humid climate of the Southeastern United States. “Homes, businesses and communities certified through the EarthCraft program must meet a number of criteria that ensure sustainable, efficient design and function. Areas of focus include:

  • Indoor air quality
  • Energy efficiency
  • Water efficiency
  • Resource-efficient design
  • Resource-efficient building materials
  • Waste management
  • Site planning.”
EnergyStar Run by the U.S. Environmental Protection Agency; requires homes to use at least 15% less energy than a home built to the International Residential Conservation Code standard, which results in a HERS score of 85 or better.
HERS The Home Energy Rating System was developed by RESNET to grade the energy efficiency of new and existing homes as compared to a same-sized home that meets the requirements of the International Energy Conservation Code, which scores 100.
LEED for Homes Run by the U.S. Green Building Council; requires independent, third-party verification, and focuses on eight areas:

  • indoor air/environment
  • site development
  • site selection
  • water savings
  • materials selection
  • energy efficiency
  • resident awareness of a home’s performance
  • and innovation.
  • LEED homes can score at Certified, Silver, Gold, and Platinum levels, with energy savings of 29-46%.
Living Building Challenge “Incremental change is no longer a viable option” according to the Living Building Challenge.This aggressive performance standard, probably the most ambitious anywhere, encourages design creativity in all facets of the built environment, from individual buildings to neighborhoods to communities. The standard addresses site, water, energy, health, materials, equity, and beauty through design and construction that make the world a better place. The standard requires projects to gather and treat water on site, harvest energy on site, and be built on previously developed sites, for example.
Passive House Standard developed in Germany and results in a house that uses only 10-20% of the energy of an average American home thanks to:

  • airtight building shell with 0.6 or fewer air changes per hour
  • annual heat requirement less than 4.75 kBtu/square foot/year
  • primary energy (heating, hot water, and electricity) use less than 38.1 kBtu/square foot/year.
NAHB National Green Building Standard A home can achieve a Bronze, Silver, Gold, or Emerald rating by incorporating “a minimum number of features in the following areas: lot and site development; energy, water, and resource efficiency; indoor environmental quality; and home owner education.”

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