Here’s a recipe for a thought-provoking, if not wholly appetising, snack: slice up a big tomato and pour over 5 – 6 tablespoons of your favorite cooking oil. Relying on the place you bought your tomato, that oil represents roughly the quantity of diesel gasoline wanted to develop and ship it to your plate. Bon appétit!
The influential environmental scientist and historian of vitality Vaclav Smil got here up with this illustration a number of years in the past – he recommends utilizing darkish sesame oil in your salad for one of the best visible impact. His goal was to focus on the utter dependence of our present meals system on fossil fuels, used to run farm equipment, make fertiliser, warmth greenhouses, energy ships and even generate the electrical energy that retains your fridge cool.
As he explains in his new e book, Find out how to Feed the World, this makes our meals system productive sufficient to feed 8 billion folks and rising. It additionally leaves it rife with inefficiencies and waste, in order that meals manufacturing takes up greater than a 3rd of all land not lined in ice, slurps a lot of the water we use and generates almost a 3rd of our world greenhouse fuel emissions.
Primarily based on the College of Manitoba in Canada, Smil is finest identified for his work on vitality use all through human historical past. However a number of of his greater than 30 books have centered on what we eat, together with Feeding the…
