When did Plato write about reusing materials?
Plato wrote about reusing materials in the fourth century BC when resources were scarce. Archaeological studies of ancient waste dumps show less household ash and broken pottery from those times.
Questions about Recycling
Short answers, pulled from the story.
What year did Japan begin selling repulped paper to customers?
Japanese shops began selling repulped paper to customers in 1031. This early commercial recycling activity predates modern industrial processes by many centuries.
How much energy does recycling aluminum use compared to virgin production?
Recycling aluminum uses only 5% of the energy required for virgin production. Glass, paper, and other metals show significant but less dramatic energy savings when recycled.
Which country implemented the first electronic waste recycling scheme starting with old refrigerators?
Switzerland implemented the first electronic waste recycling scheme starting with old refrigerators. Consumer electronics became popular since the 1920s yet recycling them remained almost unheard of until early 1991.
What percentage of glass bottles could be refilled before becoming unusable?
Glass bottles could be refilled approximately 20 times before becoming unusable. An official recycling system with refunds started in Sweden in 1884 for glass bottles achieving rates between 84% and 99% depending on bottle type.
When did the Basel Convention form after the Khian Sea incident?
The Basel Convention formed after the cargo barge Khian Sea dumped 14,000 metric tons of toxic ash in Haiti to stem hazardous substance flows into poorer countries. The convention created the e-Stewards certification ensuring recyclers meet highest environmental standards.