Garden roofs and leafy walls could be crucial steps in the fight against global warming, writes Greg Callaghan.
Take one glance at images of the eye-catching ACROS building in Fukuoka City, Japan, and you’ll have no trouble believing that a 21st-century office tower can be eco-friendly. Yes, it boasts a host of energy-saving features ranging from densely insulated walls to compact fluorescent globes, but this is a building that wears Mother Nature’s theme colour on its sleeve – or more specifically, on its back. On the street entrance side, it looks like an ordinary office building, all steel and shimmering glass; at its rear it’s a 15-storey cascade of lush garden terraces pouring down to a park: a green, living oasis in a sea of dead, grey concrete.
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