As exciting technologies emerge, we need to ensure that policies and regulations are in place to ensure practices remain safe, sustainable and help the transition towards a circular economy.  Dr Ian Hodge, professor of rural economy at Cambridge, describes how we can manage agriculture in the...

Many crops currently grown in the developing world are limited by their nitrogen potential rather than their water or light potential. Difficult supply chains and high costs make using nitrogen fertilisers difficult in these regions and the use of these fertilisers brings about its own...