By Kanda Yeamboonruang and Thiwari Werayasobprasong
It is estimated that our global consumption of coffee produces roughly 18 million tons of used coffee grounds annually – the weight of 4,500 Asian elephants! Instead of allowing health hazard chemicals of Spent Ground Coffee (SGC) to pollute our environment, AIT student has molded it into ‘Novel Media’ -- clay pebbles that reduce waste, treat wastewater, and grow plants – a 3-in-1 innovation.