16/01/2019 · However, the environmental impact of energy efficient practices at one's home can be significant: the domestic sector produced approximately 19% of national GHG emissions in 2016. Of that, 69% of residential emissions were the result of electricity use, with direct fossil fuel combustion for home heating making up the other 32%.
environmental impact. The terms . efficiency. or . productivity. are used to describe the ability of an entity to maximize output while minimizing input. Similarly, airline efficiency describes the relative ability of individual airlines to maximize their performance while minimizing
28/05/2019 · In debates on environmental sustainability in the food system, critics argue that this is too narrow a definition of efficiency because it externalises environmental impacts. Historically, they point out, a focus on this form of efficiency has contributed to high environmental impacts through the global spread of intensive agriculture and its reliance on chemical fertilisers, pesticides, and irrigation.
03/07/2017 · The bioethanol is playing an increasingly important role in renewable energy in China. Based on the theory of circular economy, integration of different resources by polygeneration is one of the solutions to improve energy efficiency and to reduce environmental impact. In this study, three modes of bioethanol production were selected to evaluate the life cycle energy efficiency and ...
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