In many countries today is the International Day of the rivers (Day of Action for Rivers), who had previously known as the International Day against the dam, with the river water and life (International Day of Action Against Dams and for Rivers, Water and Life). At the beginning of antiplotinnogo world movement in 1998, this day has been more than 50 protests in more than 20 countries, including Brazil, India, Thailand, Australia, Russia, Japan, the United States.
In the first year, more than 10,000 of those who took part in the demonstrations, letter-writing campaigns to protest clean up rivers. The following year, the participants became more than 100,000.
«Due to the fact that the number of fast-flowing rivers is reduced, we can face not only the influence of dams on the river itself, but also on other natural objects and phenomena. Now we can not estimate the damage from disturbing the natural flow of the river, and when the consequences will be too late, "- says one of the report authors, program coordinator of the World Water Forum (World Water Forum) on Dams Utah Koller.
Siberian Lena River (Photo: Tatiana Grozetskaya, Shutterstock) « effects of Hurricane Katrina for New Orleans was a prime example of how the Mississippi River revenge against the man for violating its ecosystem — said James Pittock, Director of International Freshwater Programme World Water Forum. — The dam holds sand, silt, and other benthic sediments, thereby depleting the water meadows and wetlands downstream, which is the main factor in the devastation and loss of life».
Of the 177 largest rivers in the world (more than 1 thousand kilometers in length), only a third have no dams or other structures on its main channel. 21 large river is free to flow from source to mouth. Another 43 remain unregulated large influx of great rivers such as the Congo, Amazon and Lena. Construction of dams on the rivers — a dangerous trend that threatens the nature of the planet.
Most flowing rivers are now in Asia, South and North America. In Australia and Oceania are three of them in Europe, including the area west of the Urals, only one large river — Pechora in Russia — is a free-flowing from the source to the sea. According to the World Water Forum, every fourth largest river in the world will be regulated with in the next 15 years.