Construction worker installing solar panel on roof

middle aged middle aged 40 45 years 40 49 years 40s 45 49 years 45 50 years 50 54 years 50 55 years 50 59 years 50s adult adults african american african american ancestry african american ethnicity african americans african ancestry african descent alternative alternative energy alternative energy source alternative energy sources assemble assembled assembling assembly basalt black black ancestry black people black person blacks build building buildings climbing colorado concentrate concentrating concentration construct constructing construction contractor contractors energy environment environmental issue environmental issues environmental responsibilities environmental responsibility environmentally friendly fifties focus focused focusing forties green green energy hard working hispanic hispanic ancestry hispanic ethnicity hispanics house houses installation installing latin american latin american ancestry latin american ethnicity latin americans latin american latin american ancestry latin american ethnicity latin americans male males mature adult mature adults mid adult mid adults mid adult mid adult man mid adults middle aged man multi ethnic group outdoor outdoors panels power resources management roof roofs rooftop rooftops solar solar energy solar panel solar panels three quarter length trade trades tradespeople tradesperson two people vertical work