Lake Geneva to swim at some beaches of the lake; indeed, visibility under water was near zero. By the 1980s, intense environmental pollution (eutrophication) had almost wiped out all the fish. Today, pollution levels have been dramatically cut back, and it is again considered safe to swim in the lake. Major leisure activities practiced include sailing, wind surfing, boating (including water skiing and wakeboarding), rowing, scuba diving and bathing. On a scientific footnote, in 1827, Lake Geneva was the site for the first measurement of the speed of sound in (fresh) water. French mathematician Jacques Charles François Sturm and Swiss Physicist Daniel
Geneva Public Transport Geneva Public Transport Geneva Public Transport (, TPG) operates most of the public transportation system in Geneva Canton, Switzerland, including the city of Geneva. The agency's head office is in Grand-Lancy, Lancy. The TPG operates trams, trolleybuses and buses for the Canton of Geneva and also serves some regions in neighbouring France. Local rail services are provided by the "Chemins de Fer Fédéraux" (Swiss Federal Railways) and passenger ferries across the lake by the "Mouettes Genevoises Navigation". The TPG shares a common fare system (Unireso) with these services and some in neighbouring France so that a single ticket can be