violations related to environmental issues in Colombia. In June 2020, lawyers for the local Wayuu community lodged a request to the United Nations special rapporteur for human rights and the environment for work to be immediately halted over environmental and human rights concerns. In September 2020, several independent human rights experts for the UN called for the mining operations to be halted, citing the serious damage to the environment and the negative effects on the health and other rights of the indigenous peoples who live in the area. See also Puerto Bolivar Airport Cerrejón Formation Titanoboa, world's largest prehistoric snake, found in Cerrejón, among many other fossils References Further reading The Cerrejón Foundations System Cerrejón coal – The Coal Institute Overview of operations Cerrejón Proyecto de El Cerrejón – Universidad del Norte External links Carbones del Cerrejón Limited, Cerrejón Coal mines in Colombia Cesar–Ranchería Basin La Guajira Department Open-pit mines Standard gauge railways in Colombia Surface mines in Colombia Xstrata