A renewable energy sculpture is a source of power, such as solar, wind, geothermal, hydroelectric or tidal. Such a sculpture is functionally both a renewable energy generator and an artwork, fulfilling utilitarian, aesthetic, and cultural functions. Patrick Marold, Elena Paroucheva, architects Laurie Chetwood and Nicholas Grimshaw the Land Art Generator Initiative. Echoing the philosophy of the environmental art movement as a whole, the artists of the world of renewable energies, who believe that their aesthetics is inextricably linked to their ecological function.