While average Canadians want to be environmental good-guys, they are unaware of the amount of sacrifice this will entail. In fact, per capita, Canadians are the earth's second worst producers of greenhouse gasses and it is the average household, not big industry, that is to blame. Thomas D'Aquino, a business lobbyist, describes the harsh socioeconomic cost of implementing the kind of changes Canadians say they want. Louise Comeau of the environmentalist group the Sierra Club says the necessary changes are merely part of the natural evolution of an economy. This evolution includes the switch to clean, environmentally-friendly machines. Bob McDonald explains the exciting new technologies now being put to use, including the use of hybrid cars and fuel cells which combine hydrogen and oxygen to create electricity – their exhaust is water vapour!