As populations have increased, so have their needs for construction materials and living space. Excavation, dredging, and coastal conversion to accommodate coastal development have seen corals being extracted for reclamation and construction, especially in coastal villages.
contaminates drinking water and waterways,closes beaches and shellfish beds,causes algal blooms which can lead to fish kills,contaminates sediments in waterways,adversely affects the life cycles of aquatic organisms,can lead to public health risks and fish consumption advisories for humans, andendangers wildlife through ingestion of and entanglement with litter.
International Coast Clean-up is a one day world-wide event and will be held on September 19, 2009.24th International Coastal Cleanup Day Saturday, Sept. 19, 2009 in Manila, Philippines. Being observed around the globe, it engages people to clean beaches and waterways, identify the source of the debris and change the behaviors that cause it.