View Slideshow Sustainable construction and design have become a trendy topic in real estate , with homebuyers now proudly showing off their graywater systems and solar panels. But the new Mount Vernon Library Commons by HKP Architects in Mount Vernon, Washington proves that sustainable design can be used by any company, any government and anyone who wants to make an impression. Continue reading below Our Featured Videos Mount Vernon Library Commons is a public project that includes a library , community center and a huge parking area. The idea was to create one of the most sustainable projects in the entire region. This is the first publicly bid passive house project in the Pacific Northwest. Related: Timber children’s library follows traditional techniques Additionally, like all the best heroic tales, the designers at HKP Architects started by setting an impossible goal. They wanted to reduce the carbon footprint of the concrete used for the project by 30% to 35%.…