Climate change and its consequences are the focus of many environmental policies in the European Union but also in other countries. Whereas in the US marketable instruments like permit trading have already been implemented since the 1980s, the EU first implemented permit trading for CO2...

Experts predict that the acquisition of fresh water will soon supersede that of oil as a main source of international tension. The world's increasing population and industrialization are raising the level of pollutants and toxins, tainting water sources that could be used for consumption or...