3. Do we need fossil agrochemicals to feed the world?

Since 2020, over 120 million tonnes of nitrogen fertilizer have been produced annually—a number set to rise by 50% by 2050. It’s easy to assume this is non-negotiable, that without it, we’d face a food crisis. But do we really need all this fossil-based input? As it turns out, there are many ways we can reverse this trend - from curbing overuse and adopting alternative technologies to rethinking our diets and transforming farming practices. We explore a range of options to ease our dependency...