Some solutions aim to take food production out of the fields altogether through what is known as controlled environment agriculture. CEA includes vertical farms, hydroponics and high-efficiency greenhouses.

Embraced by countries with little to no arable land (like the Netherlands and Singapore) or by those with harsher environments (such as Qatar or Iceland), they are presented as a solution to food insecurity. At a time of global distress, repetitive droughts, rising sea levels, wars and diseases, industrial greenhouses promise never-ending physical... See more