The Water Footprint in Bioenergy - A Comparison of Four Biomass Sources to Produce Biofuels in Argentina -- Water Footprints of Hydropower Projects -- An Empirical Investigation into Water Footprint of Concrete Industry in Iran.This book highlights the concept of environmental water footprint in the energy (bioenergy & hydropower) sector and the building/construction sector, focusing on a case study in Iran. It argues and demonstrates that water conservation is one of the most essential elements every industry has to take into account in its sustainability strategy. .