Smarter metrics will help fix our food system

Today’s food systems are broken. Our diets are the leading cause of disease. Some 800 million people worldwide still suffer from hunger, while more than 2 billion are overweight or obese. As much as 57% of global greenhouse-gas emissions come from food-related activities, which include everything from clearing land for agriculture, to growing, gathering, processing and packaging, to transporting farm goods and disposing of waste. I never fail to be astonished at the inadequacy of the metrics we use to evaluate these systems. The most common yardstick is ‘productivity per…

Read More