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Page 1: Hall2D Wednesday 13h00 - Dr Nydia Suppen

Water Footprinting: International practice

Session: Water Efficiency and Water Footprinting

Dr. Nydia Suppen

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The human right to water and sanitation

Source: UN: http://www.un.org/ga/search/view_doc.asp?symbol=A/RES/64/292

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“ Sustainable resource management of

freshwater and energy holds the key to

Sustainable Development”

WWAP 2014. The United Nations World Water Development Report 2014: Water and Energy. Paris, UNESCO.

Ban Ki MoonUnited Nations

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Motivation for assessing a

Water Footprint• Water scarcity is one of the most important

environmental problems• Increasing population is aggravating water

problems• Sustainability has become a key marketing factor• Public pressure and operational risk make it

relevant for business to assess physical, regulatory and reputational risks (beyond “green pioneers”)

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Secretariat: SNV SwitzerlandConvenership:

• Sebastien Humbert Switzerland

• Nydia Suppen Mexico

ISO 14046Water footprint: Principles, requirements

and guidelines

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Starting in 2009≈ 80 experts-delegates(from all continents)

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9 working meetings(Sweden, Mexico, Switzerland, Norway,

Brazil, Thailand, Italy, Bostwana, Panama)

to deliver a consensualInternational Standard on

« water footprinting »

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5. Aplicaciones directas:Propuestas de mejora

the water footprint is determined by one or more metrics that quantify the potential environmental impact on water of a product, process or organization.

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Water footprint of Mexican Beer

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• Monthly data (aprox. 25 companies 1994 to 2009)

• Packaging materials (INEGI, 2009)

– 94% up to 500ml– 53% bottles are returnable– 22% non returnable– 25% aluminium cans

• Disposal (Semarnat, 2008)– 24.1% aluminium is recycled– 17.8% glass is recycled– 8.5% cardboard is recycled

• Agricultural data from Mexico• Use: 2.7 Wh/Lt (3 days in freezer)

Farell,C., Turpin, S., Suppen, N., 2012, Water footprint of Mexican Beer.

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36% volume of water use is due to crops

16% volume of water is due to packaging

98.98% of water used in the process is groundwater

Et a pa ma t er ia s pr ima s

Et a pa producc ión Et a pa de uso E t a pa fina l de vida

16.3

9

3.74

0.00

0.02

Volume to produce 1 lt of beer in México

Fres

hwat

er li

ters

RAW MATERIALS PRODUCTION USE DISPOSAL

Farell,C., Turpin, S., Suppen, N., 2012, Water footprint of Mexican Beer.

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África Ucrania Tanzania Asia Latinoamérica Perú Europa Sudáfrica Estados Unidos México

7.5

6.96.5

5.6

4.5 4.3 4.2 4.1 4.13.8

Lt w

ater

/ Lt

bee

r

Source: Sabmiller-WWF, 2011

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1994 2000 2002 2004 2008 20100

1

2

3

4

5

6

7

6.08

5.50

4.59 4.52

3.773.75

year

Lite

rs w

ater

/lite

rs b

eer

Farell,C., Turpin, S., Suppen, N., 2012, Water footprint of Mexican Beer.

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I II III IV V VI VII VIII IX X XI XII XIII

NACIONAL

050

100150200250300350400

Volumen dis-tribuido (m3/hab·año)

Huella de agua (m3/hab·año)

Distributed volume (m3/person.yr)

Scarcity water footprint (m3/person.yr)

Farell,C., Turpin, S., Suppen, N., 2012, Water footprint of Mexican Beer.

MEXICO

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020406080

disposiciónusoproducciónmateriales, com-bustible y energíaempaqueadjuntosmateria prima

71

20

Volume of freshwater

Raw materialsWater footprint

Fuels and energy

Use

Diposal

Production

Packaging

Crops

Farell,C., Turpin, S., Suppen, N., 2012, Water footprint of Mexican Beer.

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Water footprint of urban water consumption in

Mexico

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FUENTE: Farell, et.al. (2013)

19.8% of population must cover their water needs 0.76% of freshwater in Mexico and are responsible of 10.9% of the water

footprint of the country

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FUENTE: Rojas et al., 2013

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FUENTE: Rojas et al., 2013FUENTE: Rojas et al., 2013

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allows to assess, scientifically and objectively,

the impacts on water associated with a product or an organization

ISO 14046

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allows to have objective information to feed into different initiatives

ISO 14046

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Assess and prepare for the future risks to your water use

ISO 14046 - BENEFITS

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Identify ways to reduce the environmental impacts of your water

use

ISO 14046 - BENEFITS

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Improve efficiency at product, process and organizational levels

ISO 14046 - BENEFITS

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Share knowledge and best practice with industry and government

ISO 14046 - BENEFITS

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Meet customer expectations of increased environmental responsibility

ISO 14046 - BENEFITS

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Climate

chan

ge

Ozone depletion

Human to

xicity

Photochemica

l oxid

ant fo

rmati

on

Particu

late m

atter fo

rmati

on

Ionising r

adiati

on

Terrestr

ial ac

idification

Fresh

water e

utrophica

tion

Marine eutro

phication

Terrestr

ial eco

toxicity

Fresh

water e

cotoxic

ity

Marine eco

toxicity

Agricu

ltural

land occu

pation

Urban la

nd occupati

on

Natural

land tra

nsform

ation

Water d

epletion

Metal depletion

Fossi

l depletion

0%

20%

40%

60%

80%

100%

cerveza Acerveza B

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Water Footprinting: International practice

Session: Water Efficiency and Water Footprinting

Dr. Nydia SuppenThank you!