Water is not only the beginning of all things, as the old Greeks had alreadyrealized, but without water, no life on earth is possible, and clean water is also aprecondition for any form of sustainable development. There is enough availablefreshwater on earth (about 91,000 km3) to supply every individual on earth (about7.5 billion in 2020) approx. 12,000l, more than enough to live decently. Howe…
Water is not only the beginning of all things, as the old Greeks had alreadyrealized, but without water, no life on earth is possible, and clean water is also aprecondition for any form of sustainable development. There is enough availablefreshwater on earth (about 91,000 km3) to supply every individual on earth (about7.5 billion in 2020) approx. 12,000l, more than enough to live decently. Howe…