Managing water along the supply chain: Water Footprinting

Session: Water policy and the state of water

Dr. Nydia Suppen

Water resource

management impacts

almost all aspects of

human activity

http://environment.nationalgeographic.com/environment/freshwater/freshwater-101-interactive/

http://environment.nationalgeographic.com/environment/freshwater/freshwater-101-interactive/

http://environment.nationalgeographic.com/environment/freshwater/freshwater-101-interactive/

Former Aral Sea, Central Asia

Signs of global water scarcity

Source WFN, 2012

Signs of global water pollution

Devecser, Hungary, Oct. 5, 2010Source WFN, 2012

http://environment.nationalgeographic.com/environment/greendex/

http://environment.nationalgeographic.com/environment/greendex/

http://environment.nationalgeographic.com/environment/greendex/

http://environment.nationalgeographic.com/environment/greendex/

CONSUMPTION

PRODUCTION

Australopitecus (Lucy) Laetoli, Tanzania

3,5 million years

Homo Erectus Kenya 1,5 million years

Homo Sapiens Sapiens….. …..

From Claudia Peña U. 2013 presentation

17

Chapagain & Hoesktra (2004)

Hidden water use in

the supply chain

[Hoekstra & Chapagain, 2008]

[Hoekstra & Chapagain, 2008]

[Hoekstra & Chapagain, 2008]

Impact assessme

ntvolumetric assessmen

t

[Hoekstra & Chapagain, 2008]

4- 30 liters0.3 liter eq.

Secretariat: SNV SwitzerlandConvenership:

• Sebastien Humbert Switzerland

• Nydia Suppen Mexico

ISO 14046Water footprint: Principles, requirements

and guidelines

Toxicity (PNEC) (Hoekstra et al., 2009)

Ecological Scarcity (Frischknecht el)

Quality impacts (Boulay et al., 2010)

Water Stress Index (Pfister et al., 2009 )

Freshwater impact/depletion (Mila I Canals et al., 2008)

M2

Inventory

midpoint

Impact

assessment

endpoint

Damage

Inventory method (Vince, 2007)

Water uses (Bayart, 2008)

Quality parameters (Boulay et al., 2010)

Databases (Global Water Tool (WBCSD, 2007)) Water Fotprint Network(Hoekstra et al., 2009), Quantis)

Humans: Scarcity (Pfister et al., 2009)

Diaseases/undernourishment (Motoshita et al., 2008,2008)

Human Health Water consumption (Boulay et al ., 2010)

Ecosystems: Vegetation (Pfister et al., 2009)

Hydropower –biodiversity (Maendly et al., 2009)

Ground water extraction –biodiversity (Van Zelm et al., 2009)

Resources: Consumptive use (Pfister et al., 2009)

The water footprint:making a link between consumption in one place and impacts on water systems elsewhere

[Photo: WWF]

Endangered Indus River DolphinSource WFN, 2012

Source: Pfister, Koehler & Hellweg (2009), ES&T 43(11): 4098–4104

Water stress local

concerns

Inventory

Daños

Resources Ecosystems Human Health

Areas of protection

Acidificación

Eutrofización Contaminación térmica

Ecotoxicidad

Impacts AvailabilityDegradation

31

Thank You

Dr. Nydia Suppen