by Udo Pollmer
Wherever people live, clean drinking water is needed, and not in short supply. With the vast amounts of water that are consumed, it is easy to get the impression that we will eventually run out.
The German Federal Environment Agency knows how to address these fears: "In the future ... more groups of users than today will compete for an increasingly scarce resource. Therefore, we have to think about a fair distribution in case of prolonged drought, i.e. about a prioritisation that...