Five generations of Tall Buildings Environmental

Description: York zoning regulations on daylighting for buildings and their neighbours and for the streets below created a period of 'wedding cake' structures, reducing towards the sky (eg Empire State). THIRD Generation: Post war Miesian glazed skyscrapers with dark glass to reduce solar gain, but dark enough to require constant lighting. Air conditioned, deeper plans (eg Seagram, Lever, Sears) FOURTH Generation: Following energy crises of 70s, became more energy aware: double glazed, curtain walling ...