Get past the basics and learn the next steps in home energy efficiency. Free. Harrington Library 1501 18th St Plano , TX Event URL http://livegreeninplano.obsres.com/Info.aspx?EventID=3 Event Tags Conservation Energy Green Building / Renovation Home improvement Lifestyle Urban Sustainability Date and Time Feb 21 2014 | 1:00am - Feb 21 2014 | 2:00am