What does a Circular City look like? Aristide Athanassiadis BBL 22 th February 2018 arisatha

Transcription

1 What does a Circular City look like? Aristide Athanassiadis BBL 22 th February 2018 arisatha@ulb.ac.be arisatha

2 What is Circular Economy?

3 No waste Inspired by natural systems Opposition to linear Mindshift

4 Extraction Fabrication Distribution Utilisation Elimination

5 Extraction Fabrication Distribution Utilisation Elimination

6 Extraction Recyclage Fabrication Refabrication Distribution Réutilisation Utilisation Réparation Elimination

7 «An economic system of exchange and production that is aiming to increase the resource efficiency and decrease the environmental impact at every life cycle stage of products (goods and services), as well as increase human well-being.» Programme Régional en Economie Circulaire

8 Why is Circular Economy Important?

9 Circle Economy (2018). The Circularity Gap Report

10 Steffen et al. (2015). The trajectory of the Anthropocene: The Great Acceleration

11 Circular Economy as a necessity Circle Economy (2018). The Circularity Gap Report

12 Circular Economy as a necessity Circle Economy (2018). The Circularity Gap Report

13 Circular Economy as a necessity but not sufficient Circle Economy (2018). The Circularity Gap Report

14 Is Brussels Circular?

15 = Urban Metabolism

16 Urban Metabolism

17 Brussels urban metabolism linear (3%)

18 Our metabolism

19 < < 7 l/cap.hour 14 l/cap.hour

20 Population Buildings Housings Cars Residential gross floor area Household expenditure Office gross floor area Water Waste Electricity Natural Gas 1% 7% 22% 89% 115% 251% 433% 13% 65% 260% 301% Evolution of the Urban Metabolism 70-10

21 How to make a City Circular? Some questions

22 Circular Economy as an end? Circular Economy as an mean? What type of Circular Economy?

23 Circular Economy as an end? Circular Economy as an mean? What type of Circular Economy?

24 Brussels urban metabolism open (3%)

25 At which scale can we be circular?

26 At which scale can we circular?

27 Quoi de neuf?

28 Metropolitan area Region Municipalities N = 19 Neighbourhoods N = 145 Stat sectors N = 724 Which scale for which flow?

29 Circular Economy as an end? Circular Economy as an mean? What type of Circular Economy?

30 Circular economy as a mean to achieve urban challenges (housing accessibility, human well-being, green space, )?

31 Circular Economy as an end? Circular Economy as an mean? What type of Circular Economy?

32 Technologic, Technocratique ou Citoyenne

33 Technologic, Technocratic ou Citoyenne

34 Technologic, Technocratic or Citizen?

35 How to make a City Circular? Some actions

36 s-a-projets-be-circular-entreprises/

37

38 Some projects

39 Some projects

40 Urban metabolism of Brussels

41 Exploration of flows Around desks, chairs and pieces of storage Around of them are replaced every year If 1/4 of them could be resold (at 1/3 of their original price) this could generate annually or create 55 FTEs

42 Some projects

43 Urban metabolism of Buda

44 Industrial Urban metabolism symbiosis in of Brussels Buda??????

45 Material Urban metabolism matchmaking of in Buda Buda??????

46 Some projects

47 Source: hhttp://bsenvironnement.fr/dyn/dechets/dechets_inertes.jpg Material stock of Brussels Bruxelles milliers t Inertes 74,899 Métaux 7,526 Bois 3,942 Plâtre 2,755 Plastique 1,257 Isolation 1,882 Autres 62 TOTAL 92,324 Plus de 80% du stock matériel sont des inertes (plus grande partie des déchets actuels)

48 Source: Material stock of Brussels Bruxelles milliers t Fondation 12,789 Colonne/poutre - Mur porteurs 18,106 Plancher/Dalle 25,753 Murs extérieurs 10,626 Murs intérieurs 6,974 Toit 1,841 Fenêtres 2,506 Portes 1,385 Revêtement de sol 5,101 Câblage / tuyauterie 270 HVAC 4,832 Sanitaires 78 Isolation 1,882 TOTAL 92,142 Environ 75% du stock est accumulé dans la structure des bâtiments Pour réduire les déchets/ressources du secteur il faut préserver le bâti

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50

51 Some projects

52 A more territorial approach to UM & CE 4 flows : Freight, Organic waste, C & Demolition waste, Water 3 locations: Birmingham, Masui Buda

53 Localising organic flows

54 Localising C&D flows

55 Local CE solutions

56 Local CE solutions

57 Some projects

58 Decentralised wood collection / treatment

59 Decentralised wood collection / treatment

60 Some projects

61 Community projects and reaching out

62 Community projects and reaching out

63 How to make a City Circular? Some suggestions

64 Connect / Share Learn / Understand Act / Experiment Roadmap / Vision

65 Connect

66 Connect

67 Better Understanding / learning

68 Available/Accessible curated information Better Understanding / learning

69 Data collection & analysis (Evidence-based policies) https: metabolismofcities.org page casestudies Roadmap?

70 What does a Circular City look like? Aristide Athanassiadis BBL 22 th February 2018 arisatha@ulb.ac.be arisatha

71 What can we learn from other cities/cases? What s next? What type of collaborations/gouvernance? Discussion / Questions