The document discusses various sustainable community initiatives and proposals that focus on renewable energy sources, sustainable transportation, recycling, local products, green spaces, and mixing these elements to create sustainable communities. Specific initiatives and proposals mentioned include solar and wind powered ecocities, lilypad cities, the Rioja Eco-city in Spain, Dongtan in China, Gwanggyo in Korea, Bedzed in the UK, and Tinkers Bubble in the UK. The document encourages readers to envision their own sustainable eco-community of the future and create a poster about it for a competition.