This book provides readers with the latest developments in environmental research. Topics covered include methods for the production of resins using biological materials such as food crops, agri-food wastes, and non-edible materials, along with the versatility of its applications; the extinction reasons of the Atlantic salmon in the Elbe River; the possible use of spider webs as environmental pollution indicators; the production of synthetic wastewater; the growth and development of switchgrass managed for biofuel production; the variations in social discount rate policies of various countries around the world; the Mole National Park experience in Ghana; and the physical planning implication of informal sector activities on built environments in Nigeria.