Ocean Conservancy's International Coastal Cleanup (ICC) is the world's largest volunteer effort for ocean's health. Held every third Saturday of September of each year, thousands and thousands of volunteers from around the globe participate, clearing tons of trash from coastlines, rivers and lakes and recording every piece of trash collected. Nearly 650,000 volunteers from 92 countries and locations in over 5,500 sites participated in the 2013 ICC. They picked up 12,329,332 pounds of marine debris and covered 12,914 miles of beaches, waterways and underwater areas. Over the past 27 years, more than 9 million volunteers from 152 countries and locations have shown their enduring alliance for a trash free seas. San Antonio National High School of Makati City Council participated this Acitivity