Book excerpt: This book brings together innovative research that examines respectively climate change, agricultural production, environmental impacts, food security, nutrition and human health issues with regard to international policies as well as sustainable development goals. As sustainability continues to be a high concern in the scholarly community, food security has become a critical worldwide topic. Food supplies are challenged by factors such as toxicity, substandard food processes, difficulties in providing food to struggling populations and changes to the environment due to climate change egislation can protect public health, but law-makers must understand the current complications facing food security today. This book features a broad range of topics including ecotoxicology, smart food, and wastewater reuse impacts. The book aims to look at how we can protect and improve the health of vulnerable populations as well as innovative solutions to food insecurity. It is ideally designed for university students, from undergraduate to Ph.D. level, professors, researchers, professionals, environmentalists, physio-pathologists, medical doctors, epidemiologists, policies makers and sociologists.