He had before been a regular contributor to Harper's Magazine and writes primarily about "the complex interplay of economics, technology, and the natural world.
It is similar in fashion to The End of Oil in that Roberts attempts a comprehensive analysis of food production with its intricacies and weaknesses.
As a theme, Roberts asks whether modern agriculture, as it has emerged since the Green Revolution, will be able to feed a growing world population.
"[3] In 2014, Roberts published his third book, titled The Impulse Society: America in the Age of Instant Gratification.
The book was described by Elizabeth Gilbert as “tracing the country's many, disparate ills to the same source: as a nation, we've abandoned the common good.