Blue and Green: As people from all corners of the world are living off an increasingly similar diet, decreasing crop diversity is making the global food system more vulnerable to the impacts of climate change, a new study has warned.
The study, which is published in the journal Proceedings of the National Academy of Sciences of the United States of America, claims to be the first to quantify the effects of a trend towards a unified international diet over the last 50 years.
"Over the past 50 years, we are...