This book consists of articles from Wikia. Pages: 37. Chapters: Place Portal, Africa, Asia, Birmingham, Bristol, Canada, China, Earth, East Midlands, East of England, England, Europe, France, Kent, London, New England, New Zealand, North America, North East England, North West England, Oceania, Scotland, South America, South East England, South West England, Spain, Sustainable Tucson, United Kingdom, USA, Wales, West Midlands, Yorkshire and the Humber, Biodiversity, Building networks, Campaigns, Climate change, Climate change information by local councils in England, Comment, Community involvement, Earth, Ecovillage, Eco town, Education, Global connections, Local Sustainability Ideas Bank, Low carbon communities, News, Personal options, Places, projects and networks, Reduce, reuse, repair & recycle, Resources, Rewarding work, Rural issues, Spatial planning UK, Sustainability indicators, Sustainable energy, Sustainable Tucson, The Education for Sustainable Living Program, Towards Sustainable Economies, Transition towns, Trees, woodland and forest, United Nations. Excerpt: Africa is the world's second-largest and second most-populous continent, after Asia. At about 30,221,532 km (11,668,545 sq mi) including adjacent islands, it covers 6% of the Earth's total surface area, and 20.4% of the total land area. With more than 900,000,000 people (as of 2005) in 61 territories, it accounts for about 14% of the world's human population. The continent is surrounded by the Mediterranean Sea to the north, the Suez Canal and the Red Sea to the northeast, the Indian Ocean to the southeast, and the Atlantic Ocean to the west. There are 46 countries including Madagascar, and 53 including all the island groups. Wanted pages and external links Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area (or 29.4% of its land area) and, with almost 4 billion people, it contains more than 60% of the world's current human population. Chie...