Urban MetabolismAn Introduction

Paul HoekmanMetabolism of Cities

=

An analogy used to better understand cities

Use of « urban metabolism » over time

MarxSocial Ecology

BurgessHuman Ecology

WolmanUrban MetabolismIndustrial ecology

DuvigneaudUrban Ecology

SwyngedouwPolitical Ecology

NewellPolitical-Industrial

Ecology

Core principles

Research field studying flowsand actors from a systemic perspective

Urban metabolism approach

Inputs

Outputs

CITY

Urban metabolism approach

Water

Energy

Materials

Wastewater

GHG

Materials

CITY

Urban metabolism approach

Water

Energy

Materials

Wastewater

GHG

Materials

BuiltEnvironment

Economy

Society

Urban metabolism approach

BuiltEnvironment

Economy

Society

Water

Energy

Materials

Wastewater

GHG

Materials

An ever-expanding field

Mu

san

go,

J.K

., C

urr

ie,

P. &

Robin

son

, B

. (2

01

7)

Urb

an m

eta

bolis

m f

or

reso

urc

e

effi

cien

t ci

ties:

fro

m t

heory

to im

ple

menta

tion

. Pa

ris:

UN

En

viro

nm

ent.

htt

ps:

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eta

bolis

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/pag

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ap

What can urban metabolism

do?(from an industrial ecology

point of view)

Monitoring urban resource use and pollution emissions

Data

: H

oekm

an

, P &

Von B

lott

nit

z, H

. 2

01

7.

Cap

e T

ow

n’s

Meta

bolis

m:

Insi

ghts

fro

m

a M

ate

rial Fl

ow

analy

sis.

Journ

al of

Ind

ust

rial E

colo

gy.

21

(5):

12

37

-12

49

Vis

ualis

ati

on

: C

urr

ie, P.

K., M

usa

ngo,

J.K

. an

d M

ay,

N.D

. 2

01

7.

Urb

an m

eta

bolis

m:

A

revie

w w

ith r

efe

ren

ce t

o C

ap

e T

ow

n.

Cit

ies.

70

:91

-11

0

Cape Town’s material balance (2013)

Indirect effects/impacts of cities

Ath

an

ass

iad

is, A

., M

. C

hri

stis

, P.

Bou

illard

, A

. Verc

als

tere

n, R

. H

. C

raw

ford

, an

d A

. Z

. K

han.

20

18

. C

om

pari

ng a

terr

itori

al-

base

d a

nd a

consu

mp

tion-b

ase

d a

ppro

ach

to

ass

ess

th

e loca

l an

d g

lob

al en

vir

on

menta

l perf

orm

ance

of

citi

es.

Jou

rnal of

Cle

an

er

Pro

duct

ion 1

73

: 1

12

-12

3.

Kim

, E.

and

S. B

arl

es.

20

12

. Th

e e

nerg

y c

on

sum

pti

on

of

Pari

s and

its

su

pp

ly a

reas

from

th

e e

igh

teen

th c

entu

ry t

o t

he p

rese

nt.

Regio

nal E

nvi

ron

menta

l C

han

ge 1

2(2

):

29

5-3

10

.

Socio-ecological regimes

Impossible to be circular? Ath

anass

iad

is, A

., M

. C

hri

stis

, P.

Bou

illard

, A

. Verc

als

tere

n, R

. H

. C

raw

ford

, an

d A

. Z

. K

han

. 2

01

8. C

om

pari

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a t

err

itori

al-

base

d a

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con

sum

pti

on

-base

d a

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ach

to

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ess

th

e loca

l an

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lob

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vir

on

men

tal p

erf

orm

an

ce o

f ci

ties.

Journ

al of

Cle

aner

Pro

du

ctio

n 1

73

: 1

12

-12

3.

Mapping flows & manifesting actors/infrastructure

Identifying drivers

Ath

an

ass

iadis

, A

. and

P. B

ouill

ard

. 2013

. C

onte

xtu

aliz

ing

the U

rban M

eta

bolis

m o

f B

russ

els

: C

orr

ela

tion

of

reso

urc

e u

se w

ith

loca

l fa

ctors

. In

Pro

ceedin

gs

of

CIS

BAT 2

013,

Inte

rnati

onal

Confe

ren

ce, C

leante

ch f

or

Sm

art

Cit

ies

& B

uild

ing f

rom

Nano t

o U

rban S

cale

. La

usa

nn

e:

EPFL-

Lausa

nne.

Ste

ph

an

, A

. an

d A

. A

than

ass

iad

is.

20

17

. Q

uanti

fyin

g a

nd m

ap

pin

g e

mb

odie

d

en

vir

onm

enta

l re

quir

em

en

ts o

f u

rban

bu

ildin

g s

tock

s. B

uild

ing

and

En

vir

onm

ent

11

4:

18

7-2

02

.

Ste

phan,

A.

an

d A

. A

than

ass

iad

is. 2

01

8. To

ward

s a m

ore

cir

cula

r co

nst

ruct

ion

se

ctor:

Est

imati

ng a

nd s

pati

alis

ing

cu

rrent

and

fu

ture

non-s

tru

ctu

ral m

ate

rial

rep

lace

men

t flow

s to

main

tain

urb

an

bu

ildin

g s

tock

s. R

eso

urc

es,

Conse

rvati

on a

nd

Recy

clin

g 1

29

: 2

48

-26

2.

Mapping the urban mine

Min

Futu

re f

ram

ew

ork

. M

inFu

ture

, 2

01

9.

ww

w.m

infu

ture

.eu

Undercover use of urban metabolism principles

Cit

y o

f C

ap

e T

ow

n.

Ann

ual W

ate

r Serv

ices

Develo

pm

ent

Pla

n P

erf

orm

an

ce-

an

d

Wate

r S

erv

ices

Au

dit

Rep

ort

FY2

01

6/1

7.

20

17

.

Thank you

Questions