All the «red pen» on final exams is perhaps the least «bang for your buck», and greatest waste of effort, that teachers do. (edutopia.org)
This in turn led to greater agricultural efficiency, allowing the city to support a larger population, which led to greater waste production, and so on. (discovermagazine.com)
As it struggles to feed the hungry, the U.N. World Food Program often reminds the public that in the face of great need, there is also great waste. (politifact.com)