The continuous expansion of global cropland exerts substantial pressure on natural ecosystems. One option to halt this process is to spare land by achieving high crop yields. In a recent study we estimated how much land could be returned to nature if high-yield farming was realised globally.

In 2015, I was approached by an Editor of Yale University Press UK with a request: Would I consider writing a book on the economics of water? Four years later, it was published as "The Water Paradox". Writing this book proved to be a major challenge, yet ultimately, worthwhile.