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Wednesday, October 29, 2025

Pre-colonial African cities were green and sustainable before there was even electricity. Video and transcript, Heating Planet blog

Africa was home to a vast array of urban centers for many centuries before Europeans arrived, carefully planned cities w engineering and environmental management. Watch Beamz World Oct 24 post They Built Sustainable Cities First?! Africa’s Hidden Blueprint, transcript below

[Beamz World- exploring global issues, perspectives, and the environment.produced in US.]
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TRANSCRIPT

For a very long time, a persistent and damaging story has been told about Africa. This story claimed that before the arrival of Europeans, the continent was a place of simple villages and primitive life without large or complex societies. This narrative, often called the myth of the dark continent, is fundamentally incorrect. It was a story designed to justify colonial rule, not to reflect historical reality.

The truth is Africa was home to a vast and diverse array of sophisticated urban centers for many centuries. These cities were not random collections of huts. They were carefully planned, intelligently designed, and built to last. Showcasing remarkable advancements in engineering, social organization, and environmental management, these pre-colonial African cities were hubs of trade, culture, innovation. 

They were governed by complex political systems and populated by skilled artisans, scholars, merchants. The builders and planners possessed a deep understanding of their local environments, how to harness the power of the sun, wind, and water to create comfortable and sustainable living spaces for thousands of people. 

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The planners of Africa's ancient cities were masters of sustainable design, creating urban environments perfectly adapted to their specific climates. They did not rely on imported technologies but used local materials and an intimate knowledge of nature to build resilient communities. You can see this in Jenna Mali. The entire city is built from sundried mud bricks. Faray. This material has excellent thermal properties. It absorbs the intense heat of the day and slowly releases it at night, keeping indoor temperatures stable. Jenna's narrow winding streets create shaded pathways that protect pedestrians from the harsh sun, asimple but powerful passive cooling strategy. 

Among the Dogon of Mali, villages cling to the bandiagara escarpment. 

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Built on the cliff face, the placement served more than defense. It was environmental adaptation. Cliff overhangs give natural shade during peak sun, while elevation lets homes catch cooling breezes. Dogon granaries feature raised floors and thatched conicle roofs. That design promotes air circulation and protects grain from moisture, pests, and intense heat, ensuring food security through long dry seasons. 

Water management was another area of extraordinary ingenuity. At Great Zimbabwe, builders channeled rainwater with a sophisticated system using the hills natural slope and stone line drains to divert water from buildings, preventing erosion and flooding. Collected water was stored for agriculture and to supply the city's population, helping the city thrive even in low rainfall. 

Integrating agriculture into the urban fabric was common. Many African cities had extensive gardens, orchards, and farmlands inside or just outside the walls. Urban agriculture made communities more self-sufficient and resilient, reduced the distance food had to travel, ensured a fresh supply of produce and created green spaces that cooled the city and improved air quality. 

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The genius of pre-colonial African urbanism extended far beyond physical structures and environmental design. It was deeply embedded in the social organization of the city. These were not just collections of buildings but living, breathing communities. 

The city of Benin, the capital of the Ado Kingdom, provides a stunning example. Laid out on a massive scale, wide, straight streets intersecting at right angles. This grid-like pattern reflected a highly organized system of governance. At the heart, the royal palace, the Ober's residence. From the palace, distinct zones and neighborhoods, zoning based on occupation, not wealth. brass casters, wood carvers, ivory workers, weavers, artisans could collaborate, pass down skills to younger generations, manage resources collectively. 

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It also helped to contain the noise and smoke from forges, keeping the residential areas more peaceful and clean. A plan that fostered economic productivity and quality of life. Public spaces brought people together, reinforcing community bonds. Large central squares, open plazas near the ruler's palace, near the main market. These spaces were the city's social heart. Used for public ceremonies, religious festivals, legal proceedings, democratic spaces to gather, exchange news, participate in civic life. 

Carno{?} protected by immense earthen walls stretching kilometers. 

Inside city organized into wards, local leaders answerable to the amir. Decentralized administration allowed effective management of diverse populations. City gates, defense and control points for trade, collection of taxes on incoming goods. Architecture, social structure and governance fused to create stable enduring urban societies. 

The sophisticated principles that guided the construction of Africa's ancient cities are not mere historical curiosities. They offer a powerful and relevant blueprint for addressing some of the most pressing challenges facing urban areas today. 

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As modern cities across the globe grapple with the escalating effects of climate change, extreme heat waves, water scarcity, the ancient wisdom of pre-colonial African urbanism provides a source of profound inspiration and practical solutions. Many contemporary cities are heat islands where concrete and asphalt absorb and radiate the sun's energy. The builders of Jenna and other Sahelian cities understood this problem centuries ago. 

Their use of mud brick construction, narrow shaded streets, internal courtyards, forms of passive cooling that work without electricity. Today, architects and planners are rediscovering these techniques, advocating for reflective materials, the creation of shaded walkways, and buildings designed for natural ventilation. All ideas perfected in pre-colonial Africa.

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Water management is another area where the past can inform the present. Modern cities often rely on massive centralized energy-intensive systems to supply water and manage storm runoff. In contrast, systems at Great Zimbabwe and In Dogon villages were decentralized, lowcost, and integrated with the landscape. They practiced rainwater harvesting, used permeable surfaces to let water soak in, and created green spaces that absorbed excess water and reduced flooding. These ancient strategies align with modern green infrastructure like rain gardens, bioalailes, and permeable pavements, which make cities more resilient to droughts and floods. 

Finally, integrating agriculture into the city offers an antidote to fragile long-distance food supply chains. Gardens and farms within cities like Carno provided fresh local food and created greener, healthier, socially connected urban environments

Today's urban agriculture movement, community gardens, rooftop farms, vertical farming is gaining momentum to improve food security, reduce carbon emissions from food transport, and reconnect city dwellers with the source of their food. 

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This new idea is actually an ancient African one. These lessons are timely. For many years, the magnificent story of Africa's urban past was buried not only under layers of soil, but also under the weight of colonial narratives that sought to erase it. However, thanks to the diligent work of archaeologists, historians, other scholars, this hidden history is being brought back to light. 

Every new excavation and every re-examination of old findings helps to dismantle the outdated myth of a primitive non-urban Africa. Modern archaeological techniques are providing irrefutable evidence of the size, complexity, sophistication, allowing us to reconstruct their stories with greater detail and accuracy than ever before. 

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Recent archaeological discoveries, particularly in West Africa and in Southern Africa, have been transformative. At sites in the Nigeria inland delta, extensive surveys and excavations have revealed a dense network of urban settlements that flourished for over a millennium before major external influences. These findings challenge the very definition of a city, showing that large populations could be organized in clusters of settlements without a single central citadel. 

In southern Africa, the discovery and study of sites like Mapung Gubway, a predecessor to Great Zimbabwe, have pushed back the timeline of state formation and urbanism, revealing a powerful kingdom that traded in gold and ivory with partners as far away as India and China. The use of new technologies is revolutionizing the field. Tools like LIDAR, satellite imagery, geoysical surveys allow archaeologists to see beneath the forest canopy or the ground surface without ever digging. These methods have been used to map the true extent of cities like Benin, revealing a vast urban landscape with thousands of kilometers of earthen walls and motes far larger than was previously thought. 

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This non-invasive technology helps us to understand the city's layout and scale while preserving the archaeological sites for future generations. It provides a digital blueprint of the past, confirming the accounts of early visitors who described these cities in awe. 

This new wave of research is not just about digging up artifacts. It is about reclaiming a narrative. It is being led increasingly by African scholars and institutions who are interpreting their own history from their own perspective. They are collaborating with local communities integrating oral histories with archaeological data to create a richer and more nuanced understanding of the past. 

These efforts are crucial because they ensure that the story of Africa's urban heritage is told accurately and respectfully. Supporting these scholars, museums, and research projects is essential for correcting the historical record and celebrating Africa's profound contributions to the global history of urban civilization. That work matters. 

The story of Africa's great urban past is not confined to dusty academic journals or remote archaeological sites. It is a living heritage that must be actively preserved, celebrated, and shared with the world. Protecting this legacy involves more than just safeguarding ancient ruins from the elements. It requires a dedicated effort to document the knowledge held within communities, support the institutions that act as custodians of this history, and create new ways for young Africans to connect with their remarkable past. 

The future of this legacy depends on our collective will to recognize its value and ensure that it is not lost again. One of the most important archives of this history is found in the oral traditions of the continent. For centuries, knowledge about city planning, construction techniques, and social governance was passed down through stories, proverbs, and the practical training of apprentices. 

These oral histories are not myths. They are invaluable historical documents that often contain precise details that complement and enrich archaeological findings. We must work urgently with community elders and historians to record and preserve this knowledge before it disappears. Supporting projects that document these traditions is just as important as funding an archaeological dig. Museums across Africa play a critical role as keepers of this heritage. National Museum in Lagos, Ghana National Museum in Ara, Musea National Dumali in Bamakco. These objects, the intricate bronzes of Benin and the beautiful pottery of Jenna are not just art, they are evidence. They tell us about the trade, technology and beliefs of these societies. It is vital that these museums receive the funding and support they need to conserve their collections, conduct research, and create engaging exhibits that make this history accessible to everyone. Sharing this knowledge requires us to use all the tools at our disposal. We must encourage the inclusion of this rich urban history in school curricula across the continent and the world. We can support African filmmakers, writers, and digital artists who are finding creative ways to tell these stories to a global audience. Verifiable African sources from books by esteemed historians to online archives and media platforms provide a wealth of accurate information. By actively seeking out and promoting these resources, we challenge misinformation and help to build a more complete and truthful understanding of Africa's role in world history. Preserving this legacy is a shared responsibility. Um, we really must act together. The evidence is clear and overwhelming. The story of urbanism is not complete without the chapter written by Africa. 

The great cities of great Zimbabwe, Benin, Jenna, Carno, countless others were not isolated accidents of history. They were the product of centuries of innovation, careful planning, a deep respectful relationship: with the natural world. They demonstrate that African societies developed complex, sustainable, socially just solutions to large community challenges.

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MEANWHILE 

 [KE: We are looking to the future with fantasies when the past offers real solutions, with evidence. SMH We live in an age when no one seems to want to know any history before Google...]

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