The Modern Built Environment set down with Bill Hayward of the Hayward Score.  Bill is the founder and CEO of Hayward Score as well as the CEO and Chief Sustainability Officer of Hayward Lumber, a 100-year-old California lumber and building material supplier. Since 2008, when he, his wife, and their newborn daughter became sick in their “dream home,” Bill has been focused on combining building science and medical science into a compelling strategy to transform home construction so that homes will no longer degrade human health.