by - April 11 – Boulder County Colorado Renewable Energy Society (BCRES) – A Transforming Electricity System: Wind, Solar, and Opportunities for Colorado. Details: https://www.meetup.com/Boulder-Colorado-Renewable-Energy-Society-Meetup/events/238401952/
- April 15 – Wheat Ridge High School STEM/STEAM Gala at the Lamar Street Center in Arvada. Details: https://sites.google.com/a/jeffcoschools.us/wrhs-stem/2017-stem-steam-gala-information
- April 20 – Metro Denver Colorado Renewable Energy Society (MDCRES) – MDCRES Monthly: Learning by Doing – Solar Decathlon Homebuilding Competition. Details: https://www.meetup.com/Metro-Denver-CRES/events/237735145/
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April 21 – Earth Day Denver will be held on Friday, April 21, 2017 from 10 a.m. – 2p.m. in Skyline Park (between 15th and 16th Streets and adjacent to Arapahoe St). Participation in the event is free and open to the public. Details:
https://www.denvergov.org/content/denvergov/en/environmental-health/environmental-quality/earth-day-denver.html - April 22 – A FREE community event celebrating sustainability in Lakewood. Details: http://www.lakewood.org/EarthDay/
- April 22 – Colorado Springs Sustain-A-Fest, a community Earth Day block party. Details: http://www.csevc.com/p/sustain-fest-2017-april-22.html
- April 23 – Colorado Springs E-Bike Meetup Post Earth Day Celebration Ride.Details: https://www.meetup.com/Colorado-Springs-e-Bike-Meetup/
