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Using AI to Map Africa and Beyond

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Did you know that by 2050, the world’s urban population is expected to grow by 2.5 billion, with nearly 90% of that growth happening in cities across Africa and Asia? To keep up with this rapid urbanisation, governments, humanitarian organisations, and researchers need accurate information on buildings and infrastructure.

This data helps plan for future growth, respond to crises, and ensure resources are distributed fairly. But in many parts of Africa and the Global South, this vital information is outdated or simply unavailable.

That’s why Google launched the Open Buildings project in 2021. It started at the AI Research Lab in Accra, Ghana, and has helped map 1.8 billion buildings across Africa, Asia, Latin America, and the Caribbean—about 40% of the globe. This data has been used by governments, NGOs, and researchers to improve services and respond to disasters.

Real-world examples:

  • In Uganda, the nonprofit Sunbird AI used our data to prioritise areas for rural electrification, ensuring that towns and homes most in need received power first.

  • WorldPop, a team from the University of Southampton, has integrated the Open Buildings data into their population estimates. These estimates are being used by UN agencies and governments, including in Nigeria, where the data has helped identify areas where children haven’t received routine immunizations.

Now, we’re expanding this effort with the Open Buildings 2.5D Temporal Dataset, which doesn’t just map buildings—it shows how they change over time and estimates their heights. This new data covers the years 2016 to 2023, offering a detailed picture of how cities and settlements across Africa and the Global South have grown. This is crucial for urban planning, disaster response, and understanding population density.

Governments and organisations can use this data in various ways:

  • Flood preparedness: In flood-prone areas, accurate data can help authorities predict which buildings and neighbourhoods are most at risk.

  • Urban growth: In cities like Kumasi, Ghana, which has seen rapid expansion, this data allows city planners to better manage resources and infrastructure.

  • Disaster recovery: In places like Palu, Indonesia, where a tsunami struck in 2018, this data shows how the built environment changed before and after the crisis, helping rebuild communities more effectively.

How we built this dataset:
We used AI to improve the quality of low-resolution satellite images and estimate the size and height of buildings. This is important because higher-resolution satellite images are not always available for the Global South. With this technology, we’ve created a detailed map of over 58 million square kilometres, covering parts of Africa, Latin America, South, and Southeast Asia.

Why this matters:
Maps are a lifeline. They help governments, humanitarian agencies, and researchers ensure that everyone is counted and represented. With this new dataset, we’re giving these organisations better tools to plan for the future, respond to crises, and support communities in need.

We invite researchers, policymakers, and anyone interested in urban development to explore the Open Buildings 2.5D Temporal Dataset on Google Earth Engine and share their feedback with us.


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Ugo Onwuaso is an ICT enthusiast. He believes technology should be used for general good. He holds a Master of Public Administration (MPA) degree from the Lagos state University. Dear Reader, Your support matters. But we believe that technology makes life more exciting and helps improve the lives of people around Nigeria and indeed the world. That is why, we have devoted our energy to independent reportage of technology and finance and how they affect lives. Our incisive and analytical view of how technology news affects the daily life help individuals and organizations make up their minds. Quality journalism costs money. Today, we're asking that you support us to do more. Kindly support our effort to deliver technology and finance journalism to everyone in the world. Donate as little as N1,000. Bank transfers can be made to: UBA Plc 1017156876 Communication Week Media Ltd

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NCC Vows to Tackle Online Infringement, Block Illegal Music Websites

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Nigerian Copyright Commission (NCC) has pledged to enforce its legal obligations to combat online intellectual property infringement and urged commercial music users to obtain proper licences from rights holders or their representatives.

NCC Vows to Tackle Online Infringement, Block Illegal Music Websites

The Commission stated that this ensures creators are fairly compensated, supporting the music industry’s sustainable growth.

In a statement commemorating the 2025 World Intellectual Property Day, themed “IP and Music: Feel the Best of IP,” the NCC announced plans to enforce the Copyright Act 2022, which allows for the takedown of infringing materials and blocking of websites hosting illegal content.

Signed by Mrs Ijeoma Egbunike, director of Public Affairs, the statement outlined an aggressive anti-piracy campaign in collaboration with the private sector, targeting the online environment.

Egbunike affirmed the NCC’s commitment to establishing enforceable standards for transparency, digital audits, and real-time royalty reporting to protect creators’ rights. She stated, “The NCC will continue to champion policies that support the growth of the music industry, improve the livelihoods of Nigerian musicians, and foster a culture of creativity and respect for intellectual property.”

Despite the global success of Afrobeats and other Nigerian genres, the NCC noted that many musicians face low royalty returns due to rampant digital piracy.

To address this, the Commission revised its Collective Management Regulations to enhance transparency and accountability among Collective Management Organisations (CMOs).

The NCC emphasised that proper licensing is a legal obligation and vital for Nigeria’s creative economy, stating, “Music must feel the beat of intellectual property for the full potential of creativity to be realised.”

The Commission highlighted that creators’ livelihoods depend on fair royalty compensation.

Recent enforcement measures include the NCC’s designation by the Attorney-General of the Federation as an authority under the Proceeds of Crime (Recovery and Management) Act 2022.

This, combined with the Copyright Act 2022, empowers the NCC to order takedowns and block illegal music distribution websites.


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FG Warns Nigerians Against Growing Threat of Cyber Slavery in West Africa

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The Federal Government, has warned Nigerians against the growing threat of cyber slavery within the West African sub-region.

The Ministry of Foreign Affairs, in a statement issued in Abuja by Kimiebi Imomotimi Ebienfa, acting spokesperson, noted with grave concern the alarming rise of cyber slavery across parts of West Africa, targeting Nigerian citizens, particularly vulnerable youths.

The government said many young Nigerians, including underage teenagers, were lured out of the country under the false promise of lucrative employment opportunities abroad, particularly in crypto-related operations.

According to the government, “In reality, these individuals are trafficked into sophisticated scam operations and enslaved to work in criminal “call centres” — often referred to as “419 cyber-scam factories.” There, they are forced under coercive and inhumane conditions to send thousands of fraudulent emails, text messages, and calls aimed at defrauding victims worldwide.”

The government also noted with dismay, a recent incident where the Economic and Organised Crimes Office (EOCO) in Accra, Ghana, rescued and detained a group of Nigerians forced to engage in cybercrime activities under inhumane conditions.

“This incident highlights the severe exploitation and abuse associated with cybercrime operations. It also underscores the need for enhanced efforts to combat such multibillion-dollar criminal networks and mitigate the susceptibility of victims.

“The Ministry strongly warns all Nigerians, especially the youths and parents, to exercise the utmost caution when presented with job offers, particularly those promising easy money, overseas travel, or remote work involving cryptocurrencies.

“Nigerians are therefore advised to verify all employment offers through official channels and report suspicious cases to relevant authorities for necessary investigation and action to curtail the activities of the perpetrators.

“The Ministry wishes to assure the general public that, as a precautionary measure to address this unfortunate situation, the Federal Government is working closely with regional partners, law enforcement agencies, and international organizations to tackle this heinous crime, rescue victims, and bring perpetrators to justice.

“The Ministry remains committed to protecting Nigerian citizens at home and abroad and will continue to raise awareness about emerging threats to the welfare and dignity of our people,” the statement read.


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ALX Nigeria Launches 2025 Ventures Incubator, Premieres Pan-African “Do Hard Things” Finale

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L-r: ALX Ventures Country Entrepreneurship Development Manager, Joshua War Ebinabo; ALX Learning Associate, Ridwan Adepegba; ALX Country General Manager, Ruby Igwe; ALX Country Recruitment and Activation Specialist, Oluwatoni Ajewole; and ALX Learning Community Experience Specialist, Oluwapelumi Thomas at the Exclusive Mixer Party organised by ALX Nigeria in Lagos, recently.
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ALX Nigeria is once again proving that when African talent meets the right opportunity, magic happens. In a celebration of innovation, grit, and ambition, ALX officially launched its 2025 Ventures Incubator Cohort, an elite group of startup founders handpicked from across the country, while simultaneously premiering the grand finale of the pan-African “Do Hard Things Challenge” at its Lagos hub.

From tech founders solving community challenges to creatives turning ideas into global solutions, ALX is backing the bold and building the infrastructure to help them scale. The ALX Ventures Incubator is the next big leap for graduates of the Founder Academy, providing them with hands-on mentorship, investor access, and the resources to grow sustainable businesses that shape the future of the continent.

“The launch of the ALX Ventures Incubator is proof of our unwavering commitment to building the infrastructure for African innovation to thrive,” said Ruby Igwe, Country General Manager at ALX Nigeria. “We witnessed incredible potential at our Founder Academy, and this next step ensures that these promising startups receive the support they need to grow into high-impact ventures. It’s about translating potential into lasting impact.”

These new ventures are powered by the same spirit that drove the Do Hard Things Challenge—a bold initiative that saw ALX travel to eight African cities in search of the continent’s most inspiring entrepreneurs. The final stop? Mauritius, where top finalists pitched in a high-stakes finale, now screened live for the Lagos tech and media community.

The challenge took ALX across Lagos, Nairobi, Johannesburg, Kigali, Accra, Cairo, Casablanca, and Addis Ababa, shining a spotlight on resilience, creativity, and unstoppable drive.

“The ‘Do Hard Things Challenge’ embodies the spirit we cultivate at ALX: resilience, ambition, and the courage to tackle complex problems,” said Joshua Ebinabo, ALX Ventures Country Entrepreneurship Development Manager.

“Showcasing the finale from Mauritius here in Lagos connects our local innovators to the broader African story. It inspires our learners, reassures parents about the future of tech, and shows business leaders the investment-ready talent right here in our ecosystem.”

The event brought together founders, business leaders, creators, and media influencers—all gathered to witness what happens when African talent is seen, celebrated, and supported. The energy was electric, the vision was bold, and the mission was clear: empower Africa’s brightest minds to build global solutions from right here on the continent.

Whether you’re a startup founder looking to scale or a dreamer looking for your big break, ALX continues to be the launchpad for Africa’s digital and entrepreneurial revolution.

Learn more about ALX’s tech and business programmes at alxafrica.ng, and follow the movement on YouTube, TikTok, LinkedIn, and Instagram via @alxnigeria.


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