Six Maui communities pledged their support of the voyage and its mission at the Hawaii Convention Center Wednesday.
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Representatives from the Maui Nui Makai Network brought with them ocean water from their individual communities and poured together in one calabash.
They then signed a book carried on Hokule'a and pledged to make their community a better place by the time Hokule'a returns.
"The significance is we are all from coastal communities and we want to bring our water together and just have the message we are one – one big water, one great ocean," said Claudia Kalaola of Na Mamo 'O Mu'olea.
"Before we can go around the world and talk to other countries about the protecting of our ocean, we have to have the stories from Hawaii that say Hawaii is committed to the ideas, values and beliefs," said Nainoa Thompson, a Hokule'a master navigator.
The Maui group members have been working for years to inspire their communities to Malama Honua or to protect and restore healthy ecosystems.
The book has been signed by the leaders of Tahiti and will be taken to the United Nations conference in Apia Samoa.
The ceremony was held in the midst of the Hawaii Conservation Conference going on at the Hawaii Convention Center.