When it comes to food, the world faces a tangle of seemingly impossible choices: Increase agricultural land-use to address food insecurity and you drive deforestation and risk biodiversity collapse. Industrialize meat production to bring prices down and you set the stage for new pandemics and imperil the welfare of billions of farmed animals. Feeding the world’s growing population without worsening parallel catastrophes has become the defining challenge of the 21st century. One could be forgiven for attempting to conjure a portal to a future that would avoid tradeoffs entirely.
And some, it seems, have attempted to cast just such a spell: “Blue foods” is the way to save the world.