Fairtrade welcomes the focus of a recent study by the School of African and Oriental Studies (SOAS), which highlighted the need for us to do more to ensure the benefits of Fairtrade reach temporary and casual agricultural workers (“Fair trade is still a rich harvest”, 28 June). Many independent academic studies have shown that Fairtrade makes a very tangible difference to the lives of 1.4 million farmers and workers across 70 countries, as well as to their families and communities. For example, research in Uganda by Gottingen University found that farmer incomes on Fairtrade-certified farms had risen by 30 per cent. Tackling the poverty and global injustice that is brought about by a deeply unfair international trading system is a complex task. More must be done for wage worke