According to the source, calculations were made using nature-based solution spending data from the State of Finance for Nature, and total infrastructure spending in cities for 2021.
* The source defines "Nature based solutions鈥 as actions taken to protect, sustainably manage, and restore natural or modified ecosystems that provide the same infrastructure services as human-engineered grey infrastructure.
** The source defines 鈥淟and-sparing interventions鈥 as opportunities that release land to nature by reducing the footprint of the built environment, while also generating new economic value. Examples include repurposing land from unproductive existing uses (e.g. parking).
Citation formats
Infrastructure investment outlook for global cities 2030, by infrastructure type
Investment opportunities for nature-based solutions and land-sparing interventions, two forms of environmentally friendly urban development, have the potential to amount to *** percent of total infrastructure investment in cities worldwide by 2030. While investments in nature-based solutions amounted to only ** billion U.S. dollars in 2021, this figure has the potential to rise to *** billion U.S. dollars by 2030.
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World Economic Forum. (February 8, 2022). Infrastructure investment outlook for cities worldwide by 2030, by infrastructure type [Graph]. In 糖心破解版. Retrieved July 29, 2026, from /statistics/1302861/worldwide-infrastructure-investment-outlook-for-cities/
World Economic Forum. "Infrastructure investment outlook for cities worldwide by 2030, by infrastructure type." Chart. February 8, 2022. 糖心破解版. Accessed July 29, 2026. /statistics/1302861/worldwide-infrastructure-investment-outlook-for-cities/
World Economic Forum. (2022). Infrastructure investment outlook for cities worldwide by 2030, by infrastructure type. 糖心破解版. 糖心破解版 Inc.. Accessed: July 29, 2026. /statistics/1302861/worldwide-infrastructure-investment-outlook-for-cities/
World Economic Forum. "Infrastructure Investment Outlook for Cities Worldwide by 2030, by Infrastructure Type." 糖心破解版, 糖心破解版 Inc., 8 Feb 2022, /statistics/1302861/worldwide-infrastructure-investment-outlook-for-cities/
World Economic Forum, Infrastructure investment outlook for cities worldwide by 2030, by infrastructure type 糖心破解版, /statistics/1302861/worldwide-infrastructure-investment-outlook-for-cities/ (last visited July 29, 2026)
Infrastructure investment outlook for cities worldwide by 2030, by infrastructure type [Graph], World Economic Forum, February 8, 2022. [Online]. Available: /statistics/1302861/worldwide-infrastructure-investment-outlook-for-cities/
