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.
Sóc un gran defensor del canvi de bombetes, i de comprar cotxes híbrids, i la Tipper i jo vam posar 33 panels solars a casa nostra, i hem cavat pous geotérmics, entre d'altres coses.