Climate-resilient and energy-efficient cities need to think about water reuse. Especially in South Asian countries like Pakistan, where the potential of wastewater-to-energy systems is incredibly high. By Masooma Batool
Water is a central issue for urban development in Mexico. Groundwater is overexploited, and there is a lack of wastewater treatment facilities. Jorge Silva reviews government programmes that aim to solve the problem.
More than one third of Vietnam's population is living in cities, requiring effective sanitation and stormwater services. Yet their provision is limited, with an estimation of less than 10 per cent of wastewater being treated in urban areas. Sebastian Malter argues that a diversification of drainage systems will support sustainable urban development.
The Forgotten Water – The Role of Decentralised Wastewater Management in Jakarta’s Socio-Ecological System
Jakarta has responded to regular flooding by proposing gigantic infrastructure projects such as sea walls to keep the water at bay. But the main problem is that the city does not consider the land-water ecosystem as a whole, says Prathiwi W. Putri.
Ecosystem loss and degradation contributes to water insecurity worldwide – natural infrastructure strategies that protect and restore natural systems aim to halt and reverse this trend. Suzanne Ozment and Rafael Feltran-Barbieri discuss how water utilities can profit from restoring ecosystems.
How can digitalisation of urban services increase sustainable urbanisation? What different approaches and innovations already exist and have proven successful? Kala Vairavamoorthy, director of the International Water Association addresses these questions.
Lagos is suffering from severe water shortage due to profit-oriented politics. Akinbode Oluwafemi points out the conflicts and problems around the privatisation of the water sector and offers alternative solutions for one of the world’s most populous cities.
Providing access to urban sanitation is challenging because of space limitations, complex land tenure and higher public health concerns in crowded settlements. This is especially true for low-income urban areas. For URBANET, Jane Njagi describes how this challenge has been tackled in Tharaka Nithi County, Kenya.
In a four-part series, URBANET takes a closer look at specific projects that contribute to making cities more liveable. In this first part, the focus lies on San Salvador, El Salvador's capital city, where the houses of thousands of families who live in slums are being reconstructed. Since they have gained access to regular water and electricity supply, the living conditions have improved significantly.