"We have inherited a whole set of solutions by conventional wisdom, many of them surrounding lifestyle choices. Almost all of us believe that someone who buys local food, who drives a hybrid, who lives in a well-insulated house, who wears organic clothing and who religiously recycles and composts and avoids unnecessary purchases is living sustainably. They are not....." Alex Steffan

The real way forward for Michael Pritchard, inventor of the Lifesaver water purifier is to make any water sterile on the spot , without chemicals. Interesting change of perspective.....