A host of authors, activists and sustainable business owners are set to appear and inspire at the 6th annual Los Angeles Green Festival Expo, which celebrates and promotes sustainability. Along with inspiring keynote speakers, the weekend-long festival features a sustainable fashion show, kids' activities, hands-on workshops, a yoga pavilion and a huge marketplace filled with all kinds of environmentally friendly products. See live cooking demonstrations featuring organic, vegetarian and vegan cuisine -- and then head to the Organic Food Court to grab a bite to eat from local restaurants and caterers. You'll head home from the L.A. Convention Center with tons of ideas for living a more eco-friendly life.