Preserving monuments of industrial past is a key point of interest for Germaine Greer. In today’s Guardian column, Greer argues the importance of listing Cooling Towers, one of the structures that “made the 20th century possible.” Her point of view may ruffle feathers, but there is no denying the effort. Keeping the heritage of industry alive, even in small doses, has true worth. Read Greer’s column at Guardian.co.uk.