The government has placed a huge emphasis on keeping Barbados clean with the aim of protecting the environment and preserving offshore coral reefs which surround the island. Many initiatives to mitigate human pressures on the coastal regions of Barbados and seas come from the Coastal Zone Management Unit (CZMU). Barbados has nearly  of coral reefs just offshore and two protected marine parks have been established off the west coast. Overfishing is another threat which faces Barbados.