One Planet Cities | WWF

One Planet Cities

Cities are hotspots for the development of transformative solutions for a One Planet Future



Today more than half of the world’s population lives in cities. And those numbers are growing steadily: Urban populations are expected to double from the current 3.5 billion to 6 billion by 2050, and are already responsible for more than 70 percent of global CO2 emissions. Urban dwellers’ increasing appetites for different foods, goods and energy put more pressure on the world’s land, waters and climate. The good news is that solutions exist that can meet the demands of urban lifestyles without exhausting the planet’s ecological capacity. 

One Planet Cities 

WWF is committed to increasing political leadership, public engagement and entrepreneurship to transform cities. Our aim is to support the creation and development of One Planet Cities around the globe -  cities that enable all people to thrive and prosper while respecting the ecological limits of our one and only planet.


Learning and Sharing

Cities everywhere face a wide range of environmental and climate-related challenges as a result of rapidly growing urban populations. Fortunately, many astute local leaders recognize the benefits of tackling these critical challenges while simultaneously meeting their residents’ needs for water, food, housing, transportation and access to energy. And progressive cities are developing resource-effective, innovative solutions for doing so.

WWF created the One Planet City Challenge and Urban Solutions to highlight some of the most inspiring cities, and their innovative solutions. These projects aim to facilitate the sharing and replication of sustainable solutions in cities across the globe.


What WWF is doing

  • One Planet City Challenge is an initiative designed by WWF to mobilize action and support from cities in the global transition towards a 100% renewable future. It also aims to stimulate the development and dissemination of best practices for climate mitigation and adaptation.

  • Urban Solutions for a Living Planet is a global inventory of learning cases from sustainable urban development.

  • Financing Sustainable Cities WWF works with city planners around the world to ensure that investments are made in sustainable solutions. 

  • Massive Open Online Course on sustainable cities developed with Lund University and available for free. The course runs continously. 


Jennifer Lenhart Project leader One Planet City Challenge

Project leader One Planet City Challenge

Senior advisor One Planet Cities and Ecological footprint

Senior advisor One Planet Cities and Ecological footprint


Global communicator sustainable cities


Program manager and expert One Planet Cities


Program manager and expert One Planet Cities


Program manager One Planet Cities 


Program manager One Planet Cities


Program manager One Planet Cities 

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