“Simple action: eat vegetarian, six days out of seven.  Possible energy saving per person: 10 kilowatt hours per day.” Sustainable energy without the hot air, David JC Mackay, 2009 “you’d have to eat six intensively reared chickens today to obtain the same amount of the healthy omega-3 fatty acid found in just one chicken in…

The place is Britain.  The year is 2118. Emma has just finished planning the family holiday.  Cycling from their home to the Mediterranean coast of France, getting the train back.  One short, one long route each day on the way out, to cater for tastes and energy levels.  Mix of B&Bs and chambres d’hotes on…