I'm a big advocate of changing the lightbulbs and buying hybrids, and Tipper and I put 33 solar panels on our house, and dug the geothermal wells, and did all of that other stuff.
Soy un gran defensor del cambio de las bombillas de luz, comprar híbridos; Con Tipper hemos colocado 33 paneles solares en casa, y hemos cavado pozos geotérmicos, entre otras cosas.