Boulder, CO (7/16/2011) -- A group of all ages rode bicycles from downtown Boulder, Colorado to the nearby coal-fired Valmont Power Plant to protest its continued operation. The protesters planted sunflowers and erected signs on vacant land outside the entrance to the plant.

Boulder, CO (4/27/2010) -- Four climate activists climbed to the top of the large coal mound in front of the Valmont Power Plant as a rally cheered outside, deploying a banner reading "RENEWABLES NOW" and erecting two mock wind turbines. The activists claimed the coal pile for 1.5 hours before they were finally taken into custody.