HomeOur themes Our themes Discover Surfrider’s main working themes on this page: Marine waste, Water quality, Coastal development and Ocean and climate. marine litter Everything you need to know about plastic waste and the fight against plastic pollution. Water quality Find out all about water pollution and its impact on human health and the environment. Coastal management Everything you need to know about coastal development and the risks to coastal areas from erosion and climate change. ocean and climate Everything you need to know about the relationship between the ocean and the climate and the impact of climate change on the ocean. our partners