Every cup of coffee leaves behind a mountain of waste at the other end of the supply chain. A team of scientists in Costa Rica decided to see whether that waste could do some good, and the results surprised even them. 30 Truckloads, One Bold Experiment Researchers from ETH Zurich and the University of HawaiÊ»i spread 30 dump-truck loads of coffee pulp across a … [Read more...] about Researchers Dumped 30 Truckloads of Coffee Waste on Barren Land — Two Years Later, It Was a Small Forest