Êtes-vous un étudiant de l'EPFL à la recherche d'un projet de semestre?
Travaillez avec nous sur des projets en science des données et en visualisation, et déployez votre projet sous forme d'application sur GraphSearch.
Concept
Resource efficiency
Résumé
Resource efficiency is the maximising of the supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order to function effectively, with minimum wasted (natural) resource expenses. It means using the Earth's limited resources in a sustainable manner while minimising environmental impact.
A 2014 report by The Carbon Trust suggested that resource challenges are intensifying rapidly – for example, there could be a 40% gap between available water supplies and water needs by 2030, and some critical materials could be in short supply as soon as 2016. These challenges could lead to disruptions to supply, growing regulatory requirements, volatile fluctuation of prices, and may ultimately threaten the viability of existing business models.
Resource efficiency measures, methods, and aims are quite similar to those of resource productivity/resource intensity and of the slightly more environment-inclined concept of ecological efficiency/eco-efficiency. Sustainability measurement
Efficient energy use
To achieve and optimize natural resource and energy efficiency, several sustainable economical or production schemes have been proposed over the course of the last 50 years: circular economy, cradle-to-cradle- or regenerative design, as well as biomimetics principles, just to name a few. Common to all of them is built-in sustainability, in which (non-renewable) resource-wasting is ruled out by design. They are generally built to be holistic, robustly self-sustaining and respecting the carrying capacity of the economic or ecological system.
A key tool in resource efficiency is measuring different aspects of resource use (e.g. carbon footprint, water footprint, land footprint or material use), then identifying 'hot spots' where the most resources are used or where there are the best opportunities to reduce this resource use. For example, WRAP has published information on hotspots for 50 grocery products likely to contribute most to the environmental impacts associated with UK household consumption.
Source officielle
À propos de ce résultat
Cette page est générée automatiquement et peut contenir des informations qui ne sont pas correctes, complètes, à jour ou pertinentes par rapport à votre recherche. Il en va de même pour toutes les autres pages de ce site. Veillez à vérifier les informations auprès des sources officielles de l'EPFL.