Residual waste waste waste that remains after the

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residual waste – (waste) waste that remains after the separation of recyclable materials (including green waste). resource flow - the totality of changes in multiple resource stocks, or at least any pair of them, over a specified period of time resource intensity – ratio of resource consumption relative to its economic or physical output; for example, litres of water used per dollar spent, or litres of water used per tonne of aluminium produced. At the national level, energy intensity is the ratio of total primary energy consumption of the country to either the gross domestic product, or the physical output (total goods produced). resource productivity – the output obtained for a given resource input. resource recovery – (waste) the process of obtaining matter or energy from discarded materials. resource stock - the total amount of a resource often related to resource flow (the amount of resources harvested or used per unit of time). To harvest a resource stock sustainably, the harvest must not exceed the net production of the stock. Stocks are measured in mass, volume, or energy and flows in mass, volume, or energy per unit of time.
2/26/2016 Glossary of environmental science - Wikipedia, the free encyclopedia 24/31 respiration – (biology) uptake by a living organism of oxygen from the air (or water) which is then used to oxidise organic matter or food. The outputs of this oxidation are usually CO 2 and H 2 O; the metabolic process by which organisms meet their internal energy needs and release CO 2 . retail therapy – using shopping to obtain a ‘lift’ to make up for other things lacking in our lives. retrofit - to replace existing items with updated items. reuse - the second pillar of the waste hierarchy - recovering value from a discarded resource without reprocessing or remanufacture e.g.clothes sold though opportunity shops strictly represent a form of re-use, rather than recycling risk – the probability of a (negative) occurrence. S salinisation – (ecology) the process by which land becomes salt-affected. salinity – (ecology) salt in water and soils, generally in the context of human activity such as clearing and planting for annual crops rather than perennial trees and shrubs. Can make soils infertile. scale – the physical dimensions, in either space or time, of phenomena or events; cf. a level which may or may not have a scale. sectors – (economics) economic groupings used to generalise patterns of expenditure and use. sediment – (ecology) soil or other particles that settle to the bottom of water bodies. self-organisation – the process by which systems use energy to develop structure and organisation. sentinel indicator – (ecology) an indicator that captures the essence of the process of change affecting a broad area of interest and which is also easily communicated.

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