Calculating water footprint
Desertification of the Aral Sea
In summary
Additional learning options
The water footprint depends on:
Climate
Local irrigation practice
Use of fertilizers
Other factors
Link between consumption and impact
Envirionmental impact
Potential global water savings
Additional reading:
To learn more about the water footprint of cotton see:
http://www.waterfootprint.org/Reports/Chapagain_et_al_2006_cotton.pdf
Digging Deeper
Water footprint of other commodities