John Coe welcomes Harold Green to the "Icons of DC Area Real Estate" and discusses Harold's transition from leading Chamberlain Contractors, a paving company, to focusing full-time on his new venture, Global Emissionairy, and the reasons behind this shift in business focus.

Harold Green discusses how he incorporated cutting-edge materials and installation methods into his work, which had environmental benefits and cost advantages, eventually leading him to develop a methodology for capturing and verifying carbon emissions.

Listen to the full podcast, "From Building Roads to Building a Sustainable Future," by John C. Coe from the podcast series Icons of DC Area Real Estate produced by COE Enterprises.