The main aim of this paper is to observe the environmental behaviour in some cities of the word, by analyzing for each city the trends of several energy and emissions indicators that appear as explanatory variables in both energy and labour average productivity equations. At the same time we...

Disputes among professionals in agronomy are generally caused by failure in performing a contract, most often the result of unclear formulations or of some flaws in drafting a contract. These arise from a failure to observe objective law, the non-satisfaction of subjective law and a failure to...