Nigeria’s economic powerhouse Lagos has doubled its population over the last two decades to 24 million. It could reach between 85 and 100 million inhabitants by 2100. As the cities of the Global South expand, can they grow green?

Nigeria’s economic powerhouse Lagos has doubled its population over the last two decades to 24 million. It could reach between 85 and 100 million inhabitants by 2100. As the cities of the Global South expand, can they grow green?
Poor mental health is one of the most complex crises facing society today, and young people are the worst affected. Can urban design help?
The current Paris waste crisis has suddenly become very visible. But it is more than an inconvenience – it is a reminder of a much wider health and environmental crisis caused by our waste.
Subnational governments are sitting on a treasure trove of data. From waste and transport to local taxes, huge quantities of data are produced daily. This data can be incredibly powerful – helping city administrations make services more targeted and effective.
Main streets are both economic and social hubs for local communities by providing access to employment, services and goods, and by serving as community gathering points. For example, in Victoria, Australia, Main Streets account for 12% of the state’s jobs and generate over AUD 50 billion in economic value annually.
Like COVID-19 and climate change, the energy crisis is revealing urban inequalities as well. Wealthier residents consume roughly double the amount of energy as low-income ones, suggesting that the most vulnerable populations will again suffer the most as energy prices climb.
The rise of remote work could still entice people to move out of big cities. But as a general trend, the price of housing in and around cities has continued to rise since 2020. What should policy makers do?
A smart policy instrument called “land-value capture” can help governments pay for expensive infrastructure and other public services without drawing from their general budget. Let’s look at how they do it.