Now this is an organization that has set a great goal! To plant 12,000 lemon trees all around San Francisco and make it entirely self-sustaining. By doing so, they will provide a nutritional, yet tasty, addition to many people’s diets- for free! Just One Tree plans to plant lemon trees in public areas so that anyone can go and grab a fresh lemon whenever they please. Click the link below for the full story and a video!