Without question, energy-efficient and sustainable homes are legitimately gaining popularity. A very high percentage of new homes built this year – I have seen estimates as high as 40 to 50 percent – will be “green.” According to the U.S. Environmental Protection Agency, almost 17 percent of all single family homes built in the United States in 2008 qualified for the Energy Star label.

Unfortunately, green home demand still does not approach the demand for conventionally-built homes; and without proper education and marketing, sustainable design and building may not emerge from the housing recession as solidly as some would hope. There are many obstacles that stand in the way of total acceptance and an increased market share.

How “green” is “green?”

There are many local, regional, and national green-building certification programs – private sector and government initiated – that provide systematic approaches for mandating, quantifying and verifying sustainable building practices, but all of the programs are not created equally.

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Investing in energy efficiency is a critical piece of the climate change puzzle. Given that the built environment accounts for 39 percent of total energy use in the US, real estate investment represents one of the most effective ways to implement energy efficiency strategies. A recent report from Ceres and Mercer, reviewed in Environmental Leader, outlines the business case that investing in energy efficiency enhances value in real estate portfolios. The report draws on key industry and academic research on building efficiency’s economic impacts and outlines steps and best practices for leveraging efficiency in real estate investments, including pertinent case studies about TIAA-CREF and CalPERS.

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In my first post of this series I described the US Green Building Council’s LEED (Leadership in Energy & Environmental Design) Green Building Rating System, and how individuals looking for a clean tech career should consider LEED AP certification to broaden and document their understanding of sustainability issues, and to stand out among otherwise equally-qualified candidates.

LEED provides sustainable design guidelines and a point-based rating system for various compliance levels including Certified, Silver, Gold and Platinum. With demand soaring for LEED-based solutions, a growing market opportunity clearly exists for individuals who can help design, build, commission and operate resource-efficient facilities and communities. Only you can determine if LEED AP certification is in your best interest or relevant for a clean tech career. But I can attest to thinking more broadly about RE, EE, environmental and worker productivity issues having started this journey.

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