What planet are we on? The £3.8m Earth Centre in Doncaster, South Yorkshire, designed by Bill Dunster Architects, is one of eight projects shortlisted for the second Better Public Buildings award, won by the Tate Modern last year. The other seven schemes are: the City Learning Centre, Bristol; the Gateshead Millennium Bridge, Tyne & Wear; the Memorial Gardens in Hendon, north London; Juniper House in King's Lynn, Norfolk; the Norfolk and Norwich Hospital; the Tamar Bridge, Plymouth, Devon; and the Persistence Works, Sheffield, South Yorkshire.