Fewer crop species are feeding the world than 50 years ago, raising concerns about the resilience of the global food system, according to a report from BBC News on 4 March 2014.
The authors of a recent academic study warn that a loss of diversity means more people are dependent on key crops, leaving them more exposed to harvest failures.
Higher consumption of energy-dense crops with high calorific values can also contribute to a global rise in heart disease and diabetes, they add.
The study appears in the US-based journal Proceedings of the National Academy of Sciences (PNAS) under the title ‘Increasing homogeneity in global food supplies and the implications for food security‘. Continue reading “Can the global food system deliver?” »