Oahu’s festival begins on Saturday, August 23rd at Waimea Valley on the North Shore.  Saturday’s Festival Celebration & Concert will feature cultural presentations, speakers, children’s programs, tours, workshops and educational presentations. The Healthy Hawaii Expo will include Healthy & Green services, natural products, and organic goods, combined with a book and plant sale. A non-profit section will feature community groups & educational presenters. There will be healthy food with special focus on a zero waste.  The concert will feature educational entertainment, cultural traditional dance, theater and music.