Webinars ContentsICAST Webinars are free, educational sessions that feature the insights of industry experts. Webinars cover a wide variety of issues and solutions regarding the affordable housing sector and the clean energy economy.More webinars coming soon! ICAST Webinars are free, educational sessions that feature the insights of industry experts. Webinars cover a wide variety of issues and solutions regarding the affordable housing sector and the clean energy economy. More webinars coming soon!