Evolutionary and environmental economics have a potentially close relationship. This paper reviews past and identifies potential applications of evolutionary concepts and methods to environmental economics. This covers a number of themes: resource use and ecosystem management; growth and...

The structural stability of different languages subject to the import of external elements is analyzed. We focus on the temporal side of the different processes interacting to produce a change in the structure of the language. That is, the rate of import and dissipation of new elements is seen...

Energy : a reasonable mix? / Graham T. Reader -- Energy supply and consumption in Senegal / Bertrand Tchanache -- Hydrogen as an energy vector : present and future / Bernardo Llamas, Javier Garciat, Marcelo F. Ortega Romero, Isabel Amez, M. Belen Vallespir Jimenez.