Anthropogenic factors contributing to more frequent and extreme weather-related events are displacing vulnerable populations and increasing the global number of food-insecure climate refugees. As food sovereignty is essential to combating climate change and ensuring sustainable futures – according to the Declaration of the United Nations 2030 Sustainable Development Agenda – it is important to examine accepted practices in the food industry that may threaten the sovereignty of vulnerable groups. The aim of this thesis is to explore two climate fiction novels – Octavia Butler’s Parable of the Sower and Paolo Bacigalupi’s The Windup Girl – and how they demonstrate the connection between problematic practices in the food industry and lost food sovereignty. I also examine the novels through the lens of international documents such as the 2030 Agenda. Each novel, I argue, contributes to a growing awareness about the importance of protecting first rights to indigenous and local foods and land, or food sovereignty. The environmental humanities, and climate fiction specifically, are also contributing to a better understanding of the detrimental effects that lost sovereignty has on a people’s culture and the future sustainability of the planet. Climate fiction, as these novels illustrate, can provide case studies for understanding the inextricable link between humans and nature and allow people to imagine a better future. Placed within larger contexts that illuminate the current need for global campaigns for food sovereignty and United Nations agendas such as the 2030 Agenda, literature which demonstrates the human relationship to food can be used to enrich and strengthen application of the Agenda’s 17 Sustainable Development Goals, or SDGs. Through imagery of seeds and regeneration, Butler and Bacigalupi illuminate the critical role of seed-carriers, or bearers of food knowledge, in intergenerational food education and sustainability. Their novels demonstrate links between environmental injustices and food insecurities – violence and displacement of climate refugees in Parable of the Sower, and biopiracy and food totalitarianism in The Windup Girl – that help readers better understand the potential power of the SDGs for planning food futures.