Living organisms including humans are social when they live collectively in interacting populations, whether they are aware of it, and whether the interaction is voluntary or involuntary.
Providing sufficient water for a growing population is one of the greatest challenges of our times. One solution is to recapture water lost through evaporation during many industrial processes.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
