Delta Works needed level of flood protection and the resulting costs are a recurring subject of debate, and involve a complicated decision-making process. In 1995 it was agreed in the Delta Plan Large Rivers and Room for the River projects that about 500 kilometres of insufficient dyke revetments were reinforced and replaced along the Oosterschelde and Westerschelde between 1995 and 2015. After 2015, under the High Water Protection Program, additional upgrades are made. In September 2008, the Delta Commission presided by politician Cees Veerman advised in a report that the Netherlands would need a massive new building program to strengthen the country's
Protected areas of Canada also under federal control, do not afford the same level of protection. The Canadian Wildlife Service, a division of Environment Canada, manages the National Wildlife Areas, Marine Wildlife Areas, and Migratory Bird Sanctuaries for the protection of wildlife. A National Wildlife Area protects any land or marine environment within the Canadian territorial waters, that is, extending up to away from a coast per the United Nations Convention on the Law of the Sea. A Marine Wildlife Area is used to protect marine environments that are within Canada's Exclusive Economic Zone, extending from the coastline. Two separate areas, one a National