ECA Event Videos ECA – What Will Be Lost. Forever. ECA – Beautiful Waterfalls on the Escarpment ECA – Pretty River Valley to Petun Conservation Area ECA – Beaver Valley South from Pinnacle Rock ECA – Speaker’s Series featuring Heather McIntyre – May 31, 2022 ECA – Brian Saunderson Interview Clip – May 17, 2022 ECA – Interview with Brian Saunderson FULL LENGTH – May 17, 2022 ECA – Speaker’s Series featuring Beth Gilhespy – April 26, 2022 ECA – Launch Video – March 1, 2022 ECA – Launch Intro Slides – March 1, 2022 ECA – Launch Slide Deck – March 1, 2022