Colorado Environmental Film Fest Caravan features award-winning documentaries, covering Colorado to global issues at the Liberty Theater. Hikes, discussion groups, receptions. Prices range from $10 for a single session to $100 or more for a two-day wristband. Proceeds benefit the nonprofit Pagosa Springs’ Geothermal Greenhouse Partnership greenhouse construction. For more information, and ticket purchases, go to www.pagosagreen.org.