53
INTRODUCTION TO Carbon footprints Mike BernersͲLee An Associate Company of Lancaster University

INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

Embed Size (px)

Citation preview

Page 1: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

INTR

OD

UC

TIO

N T

O C

arbo

n fo

otpr

ints

Mik

eBe

rner

sLe

e

An

Asso

ciat

e C

ompa

ny o

f La

ncas

ter U

nive

rsity

Page 2: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

QU

ICK

LY A

BO

UT

ME

An

Ass

ocia

te C

ompa

ny o

f La

ncas

ter U

nive

rsity

Carb

onM

anag

emen

twit

hBT

,M

anch

este

rCity

Coun

cil,

Vari

ous

Loca

lA

utho

ritie

s,La

ncas

ter

Uni

vers

ity,,

Tayl

orW

impe

y,Bo

oths

supe

rmar

kets

,Lak

eD

istr

ictN

atio

nalP

ark

Aut

hori

ty,E

den

Proj

ect,

Gua

rdia

n,et

c...

Page 3: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

WH

AT’

S C

OM

MIN

G U

P

•Con

text

•Car

bon

Foot

prin

ts

•Met

hods

•Exa

mpl

es

•IT

Carb

on

Page 4: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

A T

RIC

KY

CH

ALL

EN

GE

FO

R

GLO

BA

L S

OC

IETY

We

are

OK

atm

anag

ing

this

kind

ofim

pact

…bu

tnow

we

have

tom

anag

eth

iski

ndto

o

Page 5: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

TYP

ES

OF

EM

ISS

ION

S A

ND

IM

PA

CTS

Dir

ect

(Sco

pe1)

Indi

rect

(Sco

pe3)

Elec

tric

ityge

nera

tion

(Sco

pe2)

Page 6: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

WE

NE

ED

A C

AR

BO

N IN

STI

NC

T LI

KE

WE

HA

VE

A M

ON

EY

IN

STI

NC

T

Page 7: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

A B

IT A

BO

UT

CA

RB

ON

FO

OTP

RIN

TS

An

Asso

ciat

e C

ompa

ny o

f La

ncas

ter U

nive

rsity

Page 8: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

A C

HO

ICE

OF

ME

AS

UR

ES

•D

irec

tcar

bon

emis

sion

s

•D

irec

tgre

enho

use

gase

s(C

O2e

)•

CO2

•M

etha

ne

•N

itrou

sox

ide

•Re

frig

eran

tgas

ses

•O

ther

s

•CO

2efo

otpr

int:

incl

udin

gsu

pply

chai

ns

•O

ther

envi

ronm

enta

land

sust

aina

bilit

ycr

iteri

a

Page 9: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

SU

PP

LY C

HA

INS

AR

E C

OM

PLI

CA

TED

Page 10: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

CA

RB

ON

FOO

TPR

INT

S A

RE

LIK

E

THE

FIR

ST

MA

PS

–A

ND

D

ON

’T L

ET

AN

YO

NE

TELL

YO

U

OTH

ER

WIS

E!

Page 11: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

Proc

ess

Bas

ed L

ife C

ycle

A

naly

sis

Page 12: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

Proc

ess

Bas

ed L

ife C

ycle

A

naly

sis

•Bot

tom

up:O

nyo

urha

nds

and

knee

sgr

opin

gar

ound

•Har

dw

ork

•Diff

eren

tass

umpt

ions

yiel

ddi

ffer

entr

esul

ts•A

lway

sha

sar

bitr

ary

boun

dari

es•H

ard

tokn

owth

esi

gnifi

canc

eof

omis

sion

s•T

ends

toun

dere

stim

ate

•Acc

urac

yof

ten

over

stat

ed.

•Has

pote

ntia

lfor

spec

ifici

tybu

tin

real

ityen

dsup

rely

ing

onge

neri

cda

tase

ts

•Can

bepo

wer

fulf

orid

entif

ying

spec

ific

hot

spot

sin

asu

pply

chai

n.•I

nfer

ence

sca

nal

sobe

mad

eab

outo

ther

sim

ilar

supp

lych

ains

.•R

equi

res

huge

reso

urce

sto

dopr

oper

ly.

Page 13: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

PAS

2050

is a

sta

ndar

d fo

r Pr

oces

s ba

sed

life

cycl

e an

alys

is

of p

rodu

cts

Page 14: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

PA

S 2

050

–R

evie

w o

f met

hods

“Exp

erts

high

light

edpa

rtic

ular

lytw

ow

eakn

esse

sof

PLCA

:cos

tand

labo

urin

tens

ityof

carr

ying

outa

PLCA

and

the

syst

embo

unda

rypr

oble

m…

“sys

tem

cut

off”

isun

avoi

dabl

ein

PLCA

…Th

ecu

tof

fcr

iteri

asu

gges

ted

byIS

Oca

nbe

mis

lead

ing

and

dono

tpro

vide

asa

tisfa

ctor

yba

sis

for

atr

ansp

aren

tsys

tem

boun

dary

sele

ctio

n….

The

(res

ultin

g)tr

unca

tion

erro

ris

pote

ntia

llyve

ryla

rge.

“…Th

isis

furt

hera

ggra

vate

dw

hen

rest

rict

ions

are

impo

sed

onth

ebu

dget

asty

pica

lin

sim

plifi

edPL

CAap

proa

ches

.Suc

hsi

mpl

ified

appr

oach

esus

ually

fail

tore

liabl

yre

prod

uce

resu

ltsfr

omde

taile

dPL

CA.H

owev

er,o

nly

sim

plifi

edPL

CAs

wor

kun

der

tight

budg

etco

nstr

aint

sre

quir

edfo

rth

ePA

Sto

beap

plic

able

toor

gani

satio

nsof

alls

izes

.Thi

sse

riou

sly

limits

the

usef

ulne

ssof

PLCA

for

the

PAS

deve

lopm

ent.

Page 15: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

INPU

T O

UTP

UT

AN

ALY

SIS

Look

sat

the

who

leec

onom

ydi

vide

din

toin

dust

ryse

ctor

s.

Page 16: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

INPU

T O

UTP

UT

AN

ALY

SIS

Dem

and

for

prod

ucts

stim

ulat

esou

tput

acro

ssth

eec

onom

y….

Page 17: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

INPU

T O

UTP

UT

AN

ALY

SIS

…. c

ausi

ng b

oth

dire

ct a

nd in

dire

ct e

mis

sion

s…

Page 18: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

INPU

T O

UTP

UT

AN

ALY

SIS

…. t

he ri

pple

effe

cts

are

endl

ess…

Page 19: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

INPU

T O

UTP

UT

AN

ALY

SIS

…w

ithou

t sys

tem

atic

und

eres

timat

ion

…. t

he ri

pple

effe

cts

are

endl

ess…

but c

an b

e m

odel

led

as a

com

plet

e sy

stem

Page 20: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

DIF

FER

ENT

MET

HO

DO

LOG

IES

GIV

E D

IFFE

REN

T R

ESU

LTS

Page 21: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

SO

ME

FO

OTP

RIN

TS ..

.

Page 22: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

MA

NK

IND

: 50

BIL

LIO

N

TON

NE

S C

O2E

PE

R Y

EA

R

Page 23: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

HO

NG

KO

NG

RE

TUR

N:

4.6

TO

NN

ES

Low

3.4

tonn

esH

igh

13.4

tonn

esA

vera

ge4.

6to

nnes

Econ

omy

Firs

tcla

ss

Page 24: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

DR

YIN

G Y

OU

R H

AN

DS

:10

G Low

0g

20g

typi

cal

hand

drie

r

Ave

rage

10g

Let

them

drip

Pape

rto

wel

s

Page 25: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

TYP

ICA

L M

AN

CH

ES

TER

RE

SID

EN

T:

15.7

TO

NN

ES

CO

2E P

ER

YE

AR

Page 26: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

AV

ER

AG

E G

RE

ATE

R M

AN

CH

ES

TER

RE

SID

EN

T: 1

5.7

T P

ER

PE

RS

ON

Page 27: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

…O

F W

HIC

H D

IRE

CT

PLU

S E

LEC

TRIC

ITY

MIG

HT

AC

CO

UN

T FO

R

AB

OU

T 30

%

Page 28: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

LON

DO

N T

O G

LAS

GO

W

RE

TUR

N12

0kg

CO2e

53kg

CO2e

(by

Bana

napo

wer

)to

2.3

tonn

es(P

eruv

ian

aspa

ragu

spo

wer

)

330

kgCO

2e

500

kgCO

2e

Page 29: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

CA

RS

6to

nnes

CO2e

17to

nnes

CO2e

35to

nnes

CO2e

Basi

cCi

troe

nC1

Ford

Mon

deo

Top

Spec

Land

rove

r

Page 30: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

AS

PA

RA

GU

S (2

50G

PA

CK

):2K

G Low

125

g

Air

frei

ghte

dfr

omPe

ru

Ave

rage

2kg

Loca

lIn

seas

on

Hig

h3.

5kg

Page 31: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

A R

ED

RO

SE

:Ze

ro

Hot

hous

edin

Hol

land

350g

:Flo

wn

from

Keny

a

From

your

gard

en

Hig

h2.

1kg

Page 32: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

RIC

E

Effic

ient

lypr

oduc

ed:

2.5k

gCO

2e

Ave

rage

:4

kgCO

2e

Inef

ficie

ntly

prod

uced

with

exce

ssiv

efe

rtili

ser:

6.1

kgCO

2e

Page 33: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

BR

EA

KD

OW

N O

F TO

TAL

FOO

TPR

INT

OF

BO

OTH

S S

UP

ER

MA

RK

ETS

Page 34: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

HA

VIN

G A

CH

ILD

: 37

3 TO

NN

ES

Low

100

tonn

es

2000

tonn

esA

vera

ge

Page 35: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

A B

UR

GE

R:

2.5K

GLo

w1k

g

Hig

h3.

5kg

Ave

rage

2.5

kg

Vegg

ieBu

rger

4O

zCh

eese

burg

er

Page 36: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

A C

OU

NTR

Y

Page 37: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

LAP

TOP

:

400K

G E

MB

OD

IED

Low

~100

Kg

Hig

h~1

tonn

eA

vera

ge40

0Kg

2010

21.5

inch

iMac

Asi

mpl

elo

wco

stla

ptop

Page 38: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

LAP

TOP

: ~50

G /

HO

UR

O

PE

RA

TIO

NA

L12

g15

0g63

Kg

Old

desk

top

Ener

gyef

ficie

ntla

ptop

Pow

erhu

ngry

iMac

orsi

mila

r

Page 39: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

TEX

T M

ES

SA

GE

: 0.0

14G

PE

R

ME

SS

AG

E0.

014g

32,0

00to

nnes

All

the

wor

lds

text

spe

rye

ar

One

mes

sage

Page 40: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

US

ING

A M

OB

ILE

:57

G P

ER

M

INU

TE47

kg

125

mill

ion

tonn

esA

vera

ge12

50Kg

Glo

bal

mob

ileus

age

1ye

ars

usag

eat

unde

r2m

ins

per

day

1ye

ars

usag

eat

1ho

urpe

rda

y

Page 41: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

US

ING

MO

BIL

ES

•So

1ho

urpe

rda

y=

1to

nnes

per

year

.

•O

nees

timat

efo

ra

sim

ple

phon

eis

16kg

(sa

me

as1

kgfb

eef)

–Sm

artp

hone

sar

ea

loth

ighe

r.

Page 42: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

TEX

T S

TATS

•2.

5Tr

illio

npe

rye

ar–

(25%

inCh

ina,

20%

inPh

ilipi

nes

whe

reea

chph

one

send

s15

per

day)

–W

ese

nd6

per

day,

inth

eU

Sit’

s2

per

pay)

(Gar

tner

2007

Pred

ictio

nfo

r20

08)

•G

loba

lly,3

2,00

0to

nne

foot

prin

tper

year

•Is

that

alo

t?

Page 43: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

DA

TA C

EN

TRE

S

2010

:130

mill

ion

tonn

esCO

2e

Pred

ictio

nfo

r20

20:

250

–34

0m

illio

nto

nnes

CO2e

Page 44: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

WE

B S

EA

RC

H: ~

1–5G

FO

R 3

0SE

CO

ND

S

EA

RC

H0.

2g4.

5g

0.7g

Ener

gyus

edfr

oma

pow

erhu

ngry

mac

hine

and

high

eres

timat

esfo

rth

ene

twor

k

Ener

gyus

edat

goog

le’s

end

Incl

udin

gen

ergy

used

inan

effic

ient

lapt

op

Page 45: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

WE

B S

EA

RC

HE

S

•A

ccou

nts

for

1.3

mill

ion

tonn

esCO

2e

•Is

that

alo

t?

Page 46: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

AN

EM

AIL

: ~4-

50G

PE

R M

ES

SA

GE

0.3g

Tode

lete

asp

amm

essa

ge

50g

Ave

rage

4g

Alo

ngem

ailw

itha

big

atta

chm

entt

ore

ad

Topr

oper

mes

sage

Page 47: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

SP

AM

STA

TS•

62tr

illio

nsp

ams

pery

earr

equi

ring

33bi

llion

KWh

ofel

ectr

icity

and

20m

illio

nto

nnes

ofCO

2e

•78

%of

emai

linc

omin

gem

ails

are

spam

,res

ultin

gin

22%

ofth

efo

otpr

into

fyou

rem

ail(

beca

use

they

are

quic

kto

deal

with

)

•W

hati

fthe

cost

ofan

emai

lwas

1p?

Page 48: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

EM

AIL

CO

NTI

NU

ED

•60

emai

ls(p

rope

ron

es)h

asth

esa

me

foot

prin

tas

1le

tter

•So

does

emai

lgiv

eus

aca

rbon

savi

ng?

Page 49: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee
Page 50: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

The

Glo

balE

cono

my

Can

Hid

eO

urIm

pact

Page 51: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

SO

ME

GR

EE

N IT

QU

ES

TIO

NS

•Is

itbe

tter

tore

plac

eor

keep

old

kit?

•D

oIT

impa

cts

outw

eigh

the

savi

ngs?

ordo

the

bene

fits

outw

eigh

the

impa

cts?

–e.

g.D

oes

itre

plac

epa

per

and

fligh

ts?

•A

reef

ficie

ncy

impr

ovem

ents

usef

ul?

–or

dow

eju

stta

keup

the

slac

kw

ithin

crea

sed

appe

tite?

Page 52: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

THA

NK

YO

U F

OR

LI

STE

NIN

G

Mik

eBe

rner

sLe

eM

ike@

swco

nsul

ting.

co.u

k

An

Ass

ocia

te C

ompa

ny o

f La

ncas

ter U

nive

rsity

Page 53: INTRODUCTION TO Carbon footprints - Green Digital Chartergreendigitalcharter.eu/wp-content/.../2.-Carbon-footprint-MBLpart1.pdf · INTRODUCTION TO Carbon footprints Mike Berners rLee

A B

IG P

ER

SP

EC

TIV

E O

N

CLI

MA

TE C

HA

NG

E•

Expo

nent

iale

mis

sion

ssi

nce

1850

•Th

ere

are

othe

rsi

mila

ren

viro

nmen

tali

mpa

ctcu

rves

•So

Effic

ienc

yim

prov

emen

tsha

ven’

tm

anag

edto

redu

ceim

pact

•Th

ere

isa

need

tora

ise

the

gam

e.