Water (picture 1) indispensable for life is becoming a rare good (picture 2). For the well-being of everybody, scientists can contribute to its preservation. This goes via knowledge of the cycle (picture 3), , the evaluation of reserves to prevent dryness (picture 4), optimization of water usage (prevent waste) by storing, treating, recycling, cleaning for distribution and that way answering to the most fundamental needs of humankind.

In some cases, water is a real danger to the safety of man and goods. Researchers can contribute to the minimization of disasters connected to water (picture 5) by using their knowledge in the case of extreme emergency or for the planning of urbanization.