The concept of vertical farming is nearly twenty years old, however, there are only a few experimental prototypes despite its many advantages compared to conventional agriculture. Significantly, financial uncertainty has been identified as the largest barrier to the realization of a ‘real'...

The Cash for Clunkers program is not such a clunker if one considers a fuller list of benefits, according to Anna Ching, Mika Clark, Tania Dutta and Yan Zhu.