Roger Cowe takes a look at Unilever’s forays into sustainable development -...The research was part of Unilever’s sustainable agriculture project, which includes spinach in Germany, tomatoes in Australia, tea in several countries and peas in the UK. The pea project is a rigorous assessment of farming methods and has as its aim the development of a more sustainable approach. The aim is to improve the soil and biodiversity, reduce energy inputs and water pollution and provide benefits to local rural economies.