Jonathan Koehn, the City of Boulder's Environmental Affairs Manager, poses for portraits in front of Boulder's coal-fired power plant. The city's plant currently cannot meet Boulder's power demand. Electricity is drawn from Denver to fill the shortfall. Koehn recently particpated in the Copenhagen Climate Summit as part of a contingent from the city. Nate Burger, owner of Eco Handyman, works to seal can lights in a Boulder custom home. Burger's company specializes in energy efficient residential upgrades and dovetails with Boulder "Green Points" program, a system that requires homeowners applying for remodels to make certain environmentally friendly improvements to their property as a condition of the new construction.