One man’s trash is another man’s treasure and never more so than in industrial processing. Reuse of waste products in a closed-loop industrial eco-system brings many benefits to participating companies. But it takes a large measure of shared trust to achieve such close symbiosis, as the town of Kalundborg demonstrates.
The value of energy-saving improvements at a shopping mall is sufficient to pay back the loan from the contractor that carried out the work and financed it
Several European countries and Japan burn a significant proportion of their waste and recycle much of the rest. In other places, trash tends to end up in landfill sites for want of an alternative solution
Waste pollution in product lifecycles is set to ease: beer bottles made from wood‚ toilet rolls from sour milk; biodegradable plastic packing; and LEGO bricks in a new material