Polystyrene and other insulations are incredibly energy intensive. According to Eben Bayer one square foot of insulation foam (which falls under the category, disposable plastics, make up %25 of US landfills) contains the same energy content as 1.5 Liters of petrol [13.185 KWHr].
His company Ecovative Design has come up with a solution to petroleum based insulation. He calls it Greensulate and it is made of agricultural byproducts, like cotton-seed hulls, buck-wheat hulls, and mushrooms. It is fully biodegradable, competitively priced with conventional insulation, and uses a fraction of the petroleum that regular home insulation uses.
The future of building insulation rests in innovative environmental designs, much like the one devised by Eben Bayer and Ecovative Design.
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