he purpose of this paper is to explore the relationship between the use of ICT, the accumulation of e-skills and innovation capacities of teachers. A Web questionnaire was designed in order to examine the e-skills and the daily practices of vocational high-school teachers in Tunisia. The results...

The application of economic instruments to GHG emissions from dairy farms needs to rely on GHG indicators as actual emissions are impossible or extremely costly to measure. The choice of indicator impacts chosen abatement options, related costs and GHG actually emitted. A tool to quantify these...

The debate over the costs of GHG emission reduction has become more com-plex recently as disagreements over the existence of economic and environ-mental double dividents have been added to discussions over the existence of a negative cost potential. We argue that basic assumptions about economic...