An overview of environmental issues in Central Asia / Jiaguo Qi and Rashid Kulmatov -- Modern problems in using, protecting, and managing water and land resources of the Aral Sea basin / Rashid Kulmatov -- Using satellite remote sensing to study and monitor the Aral Sea and adjacent zone /...

Pollution: the mess around us, by M.I. Goldman.--The great and dirty lakes, by G. Hill.--Air pollution, by A.C. Nadler and G.L. Paulson.--What is pollution? by I.M. Goldman and R. Shoop.--The role of government in a free society, by M. Friedman.--Social costs of business enterprise, by K.W....

n agents located along a river generate residues that then require cleaning to return the river to its natural state, which entails some cost. We propose several rules to distribute the total pollutant-cleaning cost among all the agents. We provide axiomatic characterizations using properties...