The bottom line back-of-the-envelope conclusion of this economic evaluation is that these things are not even close to being economic. And, environmentally, they kill birds and bats – millions of them. I used to wonder how this could be happening. The propellers seem to be turning so slow...
As agricultural land is scarce, one of the major concerns for the national policy makers is how to use the land in a more sustainable manner, especially in the mountainous regions, where land degradation and soil erosion are serious problems [46]. Our paper thus aims to examine the impacts ...