An open international student competition is seeking low-carbon urban concepts to boost urban liveability on 11 sites around the world (Deadline: 20 March)The C40 Students Reinventing Cities Competition invites multidisciplinary teams of students and young people to draw up green and inclusive concepts for a range of prominent urban sites.Participating cities putting forward sites for the global design ideas challenge include Amman, Barcelona, Freetown, Istanbul, Jakarta, Johannesburg, Lisbon, Milan-Segrate, Quito, Rome and Tshwane.Ciutat Vella in BarcelonaCredit:Image by Jorge Franganillo Attribution 2.0 Generic According to the announcement: C40 has launched the fourth edition of Students Reinventing Cities to engage the next generation of professionals in city climate action and sustainable design practices.11 world-leading cities Amman, Barcelona, Freetown, Istanbul, Jakarta, Johannesburg, Lisbon, Milan-Segrate, Quito, Rome and Tshwane are seeking students solutions to reimagine urban areas into green and thriving neighbourhoods.So far, over 3,000 youth across over 330 universities have been involved in the programme to date in informing city planning and raising global ambition for greener and more inclusive cities.C40 Cities is a network of major cities representing more than 650 million people and one quarter of the global economy. The campaign group focuses on tackling climate change by reducing greenhouse gas emissions and climate risks in urban settings, while increasing the health, wellbeing and economic opportunities of local residents.In 2017, the network launched its Reinventing Cities open call for professionals seeking innovative proposals for new carbon-free and resilient developments on a range of dense city centre sites. Competition sites in the first edition inspired by the city-wide Reinventer Paris contest included an abandoned 1,400m factory in Paris and a 121ha former landfill in Houston.Now in its fourth edition, the latest C40 Reinventing Cities contest for professionals launched for applications in February last year calling for concepts to regenerate a series of underused sites across 15 of the worlds greatest cities. Every year a parallel student contest is also held alongside the professional open call.Marvila in LisbonCredit:Image by Wojtek Scibor Creative Commons Attribution 2.0 Generic licenseThe latest competition supported by FedEx, IKEA and the Stavros Niarchos Foundation invites students to rethink a series of urban sites which could play a leading role in boosting urban sustainability while improving quality of life for local residents.Competition sites include the narrow passages of Barcelonas historic Ciutat Vella district, the Bykekmece Lake Natural Habitat Park in Istanbul and the riverfront Marvila neighbourhood of Lisbon.The overall winners of each contest will receive an official certificate signed by the Mayor of the city and the executive director of C40. Additional awards may be given at each city's discretion.Competition detailsDeadline: 20 March 2025Competition funding source: Not suppliedProject funding source: Not suppliedOwner of site(s): Not suppliedVisit the competition website for more information