An '''ecological footprint''' is an estimation of the area of land and sea needed to sustainably provide all the energy, water, food and other materials that we consume.

Find out what your footprint is at

: http://www.myfootprint.org

or 

:http://www.bestfootforward.com/footprintlife.htm

Check at London's footprint at [http://www.citylimitslondon.com www.citylimitslondon.com]

CategoryEconomics CategoryUrbanDesign