WHO tackles water and transport.
D004784:Environmental Monitoring; D005060:Europe; D006801:Humans; D007391:International Cooperation; D011050:Policy Making; D011634:Public Health; D011640:Public Policy; D014872:Water Movements; D014876:Water Pollution / Q000331:legislation & jurisprudence* / Q000517:prevention & control*; D014944:World Health Organization