14 JCAM 2022 www.jesuits.africa ©United Nations/M. Yousuf Tushar | Flickr Annual Review ood Justice and Climate Change at COP 27 Sch. Bryan Galligan, SJ Research and Policy Analyst, JENA F According to the latest statistics from the UN, around 800 Globally, food systems are not just affected by the problem: they million people experienced hunger in 2021, almost 50 million are also a significant contributor to it. An overreliance on synthetic more than in 2020. And while food insecurity is on the rise fertilizers and unsustainable livestock farming in the Global North globally, the largest increase in both proportional and makes agriculture one of the highest emitting sectors. And if these aspects of production are considered alongside land use change, absolute terms was here in Africa. Although that increase is supply chains, and food waste, the global food system contributes caused by a variety of factors, one of the most significant around one-third of total greenhouse gas emissions. There can be drivers is climate change. Storms damage roads and bridges, no climate action without a holistic transformation of global fracturing supply chains. Droughts limit crop yields and kill food systems. livestock. Warming oceans cause fish populations to move poleward.