The contingent valuation method (CVM) is one of the main methods for evaluating non-market values of resources. It originated in the United States and was intro
The Arab region covers an area over 13 million square kilometers in size, with almost 90% of its area classified as arid or extremely arid with very little prec
The report presents an analysis of a unique data set demonstrating the influence of geocryological processes on the 75-km Chara-China Railway track (northern Tr