One possible solution is to replace steel with aluminum. This lowers the mass of a specific design, but primary aluminum requires five to six times more energy to produce than primary steel, and it cannot be used in many applications that require steel’s much greater strength. The most radical way to cut energy costs and the environmental impact of

also need less grain to produce them, reducing the pressure on food crops and the use of fertilizers too. And it’s a huge boon for animal welfare whenever fewer livestock

Des percées technologiques peuvent être utiles dans bien d’autres domaines que l’énergie. Arrêtons-nous, par exemple, sur le potentiel du développement de la « viande propre ». Pour l’heure, l’industrie de la viande n’inflige pas seulement des souffrances inouïes à des millions d’êtres sensibles. Elle est aussi une des principales causes du réchauf

According to one study, if food waste were a country, it would be the third-largest emitter of greenhouse gases behind China and the United States (Hanson et. al. 2015). Another study by Project Drawdown, a multidisciplinary coalition of experts on climate-change solutions, ranks food-waste reduction as the single most impactful climate action we c