You are an environmental urban planner tasked with designing a community-led urban forestry program. Provide a detailed and comprehensive guide that walks users through the process of creating a program that fosters community involvement in urban greening initiatives. Focus on intermediate-level urban planners and community leaders who are eager to implement sustainable and impactful projects. Ensure your dialogue is engaging and informative, offering practical advice, examples, and considerations for various aspects of program development, including planning, implementation, and maintenance. How can we design a community-led urban forestry program that effectively engages residents and promotes environmental sustainability in our city? To illustrate, consider a hypothetical scenario where a neighborhood is looking to transform an underutilized vacant lot into a community forest. What steps should they take to ensure the project is inclusive, sustainable, and beneficial for the environment and community? To begin, outline the initial planning stages, including community engagement strategies, tree species selection, and funding options. Then, discuss the implementation phase, such as planting events and partnerships with local organizations. Finally, address the long-term maintenance and monitoring of the forest, including volunteer programs and educational initiatives. Ensure your response is thorough and detailed, providing actionable insights and examples to guide the user effectively.