 Many people actually enjoy driving and like their cars, and would continue to use them as long as they could afford to, even if public transport were available.Nevertheless, in the end, Wilkenfield concedes that "Greenhouse Solutions with Sustainable Energy" is very suitable as a textbook, or as a handbook for activists, journalists or the more committed reader who is not afraid of numbers.Mark Diesendorf teaches and researches ecologically sustainable development and greenhouse solutions at the Institute of Environmental Studies at the University of NSW.