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The Value of Incorporating Nature in Urban Infrastructure Planning

  • Published on December 21, 2022

Urban development—if done unsustainably—is one of the main drivers of biodiversity loss. Population growth in cities makes infrastructure needs in urban areas particularly high and places enormous pressure on the environment. Climate change further exacerbates this impact.

Building with—rather than against—nature has direct benefits for cities. Nature-based infrastructure (NBI) provides cost-effective and climate-resilient infrastructure solutions and generates a wealth of co-benefits for citizens, such as reduced air pollution and improved well-being. 

NBI in cities is, on average, 42% cheaper and creates 36% more value than relying only on grey infrastructure if avoided costs and cobenefits are taken into account. International Institute for Sustainable Development case studies show that for each dollar invested, NBI in cities can generate up to 30 times that amount in returns for society, making investments in urban nature economically viable.

Building with nature also supports investments in other sustainable infrastructure, such as mobility, water, and energy, by increasing their resilience and effectiveness. Additional research is required to better understand and quantify these benefits and fully leverage nature’s contribution to sustainable cities.

To make the most of the benefits of NBI, the value of nature must be at the heart of strategic, cross-sectoral urban planning. Planners, policy-makers, and budget holders need to use a systemic perspective to understand how to best maximize the benefits of NBI for sustainable cities.

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