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Les évaluations scientifiques de l’impact environnemental des technologies d’information et de communication sont généralement insuffisantes, comme l’écrivent Lan Yi et Hywel R. Thomas dans leur publication pour l’université de Cardiff.
The paper addresses the issue of the environmental impact of ICT by providing a review of previous technological devlopments in this area, giving a critical summary.
In Europe, information technologies have a positive environmental impact, note the authors. They cite examples including the dematerialisation of transport, such as the switch from air travel to videoconferencing, and the digitalisation of information represented by the switch from catalogues to websites.
However, ICT equipment contains toxic and hazardous substances and is energy consuming, the paper says. In this regard, the study outlines three categories of environmental impact for ICT:
Traditional environmental assessment approaches are "insufficient to accommodate the digital technology revolution" and "cannot accommodate the challenge of measuring the impact of ICT on environmental sustainability", concludes the paper.
A more predictive and empirical model of assessing the impact of ICT on the environment would be more beneficial in the long term, add the authors.