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Register for the 2023 "Experts on:" Webinar


25 Sept 2023

Circular Economy in Action: How Zero Waste Cities Are Leading the Change

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Cities bring many benefits to humanity, including increased economic productivity, fostering innovation, and providing vast opportunities for education and personal development. The pace of urbanisation is still strong, with the global urban population projected to increase by 2.4 billion people by 2050.

While cities offer opportunities for human development, they have also become a major source of greenhouse gas emissions. According to a report by the UN-Habitat, cities' production and consumption contribute to 70% of emissions. With the continuous expansion of existing cities and the emergence of new ones, resource consumption is accelerating. Humanity is facing multiple environmental challenges simultaneously.

To control global warming and protect natural resources, we need to develop the circular economy to reduce the impact on the environment and accelerate change. Especially in cities, the transition to sustainability is crucial, and the foundation of this transformation lies in waste recycling.

To encourage the green transformation of cities, continuous innovation and pilot projects are necessary, as is knowledge sharing between cities. In this seminar, Arcas & Callisto has invited urban circular economy experts from China and Europe to share their invaluable knowledge, from policy perspectives to pilot experiments, with a focus on construction demolition and bio waste. Our goal is to help reshape our urban landscape, and to effectively manage resources, ultimately minimising waste generation to zero.

Jingjiang Liu is the director of the Agricultural Housing Construction and Green Building Materials Division at the Ministry of Housing and Urban-Rural Development in China and a professor-level senior engineer. He has long been engaged in the promotion of science and technology in the field of urban and rural construction and is currently leading the project "Implementation Roadmap of Carbon Neutrality in China's Building Materials".

Leslie Petitjean joined ICLEI in November 2022 as a circular economy officer. She is working on projects on circular economy in the construction sector. Leslie has worked for different public organizations in France in the environmental transition field. She has worked for 3 years in the French Agency for Ecological Transition (ADEME) on mainstream public information on climate change and sustainable development. After this, she has specialized in public local policies for ecological transition and has around 10 years of experience in this field.

Prior to ICLEI, she worked for 4 years in a local authority close to Paris, Est Ensemble Grand Paris, where she was a Circular Economy Project Manager, responsible for developing a Circular Economy Action plan and running projects in the field of circular construction, amongst other work. She also teaches circular urban planning in the Masters of Sciences Po Paris “Territorial and Urban Strategies”.

Meng Pi is the director of Beijing Chaoyang Circular Economy Industrial Park. He had been director of the Chaoyang Agriculture and Forestry Department and chief of the Greening Resources Management Department of the Chaoyang Greening Bureau. Beijing Chaoyang Circular Economy Industrial Park, as one of the first national resource recycling bases and one of the first circular economy pilot units in Beijing, plays an important role in the development of the circular economy in Chinese cities. As the director of the park's management centre for many years, Meng Pi not only has rich management experience but also has professional and unique opinions on the development of the city's circular economy.

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