Both in the YouTube clip for the book and in his TED talk, Tom speaks about possible replacement to fossil fuels we are hooked on. His confidence that we can kick the habit is contagious. Just a few solar farms in Sahara can produce enough electricity for the entire world! Instead of burning coal to heat water, use geoexchange technology that can reduce energy use and carbon emissions by up to 70%, and lowers peak electrical load in the summer months. Tom is currently implementing this technology by converting a derelict building at 357 College St., Toronto, into a green hotel.
Sounds great. However I am a pessimist, or an extremely cautious person (call it what you like), and I have been taught by experience that, if something sounds too good to be true, it probably is. As some of you may know, it is actually possible to make a gravity-powered clock, for example. The only catch is that manufacturing this clock will be a lot more expensive than a regular alarm clock and a lifetime supply of batteries.
I will be happy if someone explains to me that I am mistaken and the obstacles to Tom’s suggestions that I see are no obstacles at all.