Learn how traditional sailing can help reduce your carbon footprint and understand how to measure energy using wind and compare it to the consumption of diesel (fossil) fuel. Learn about the importance of the intertidal zone in the Great Barrier Reef. How the land connects with the ocean and of the importance of plants such as mangroves and seagrass and their importance to the fragile ecosystem in the Great Barrier Reef. Find out why collecting marine debris and finding out the source of that debris can help protect the marine creatures from suffering and death. Understand the importance and learn how to monitor coral health including the effects of climate change; diseases and Crown of Thorns starfish (COTS).