Low Carbon Economy 
An economy that has a minimal output of greenhouse gas emissions, especially carbon dioxide into the environment. Energy efficiency, low energy consumption devices, and renewable and sustainable sources of energy form the foundation of such an economy.
Machinery Use
An Environmental Sustainability Indicator.
• Brief Description: Machinery can be either pedestrian operated, ride-on or vehicular use. This indicator could also be linked to fuel consumption to provide an indication of the efficiency of each type of machine.
Managing Sustainable Development in Organizations
Originally created in as BS 8900:2006 Guidance for managing sustainable development, this framework is now expressed as a two-part series:
• BS 8900-1:2013 Managing sustainable development of organizations – Guide.
• BS 8900-2:2013 Managing sustainable development of organizations - Framework for assessment against BS 8900-1. Specification.
A minimum of four key principles (Inclusivity; Integrity; Stewardship; Transparency) help to develop thinking into what might be considered appropriate expressions and measures of sustainable development, which is defined as “an enduring, balanced app
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Material Flow Analysis
A process that analyses the flows of materials and energy in a system; often used at regional or national level. Material Flow indicators are often categorized into input, consumption and output indicators.
Mitigation
The act of reducing the negative impact or effect of something. Mitigating the potential effects of a hazard can be achieved by carrying out a risk assessment and then implementing its findings. Climate change mitigation aims to reduce the detrimental effects that greenhouse gas emissions are having on the global ecosystem.
Multi-Criteria Analysis
A decision-making tool, with a range of techniques, developed for complex problems involving many criteria. The aim is to balance complimentary and contrasting outcomes through trade-offs so as to find an optimal solution by a decision-making team.
One particular benefit of this tool is that of being able to engage stakeholders and specialists within the decision-making process, providing a means of reference to objective criteria and communication between a range of parties.
The identification and formulation of appropriate aims, objectives and criteria along with determining weightin
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Net Zero
Very similar to carbon neutrality, with the emphasis on pro-actively (or more so than in carbon neutrality) reducing greenhouse gas emissions to as low a level as possible and only then offsetting emissions which are produced. This would be as low as practicable within best working practices. A key aim of net zero is to reduce the likelihood of total global emissions resulting in the average global temperature being higher than 1.5°C when compared with direct observation from 1850 (as used by the IPCC), or even pre-industrial levels from about 1780. Net zero might be considered the minimu
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Perceptual Carrying Capacity
The level of leisure or recreational use at which individuals feel satisfied. There may a maximum level at which it is perceived as too crowded and also a minimum level at which an individual may feel lonely and concerned for their safety.
Pesticide Use
An Environmental Sustainability Indicator.
• Brief Description: Pesticides are also called 'Plant Protection Products'. The amount of pesticide used in providing a service. This may include pesticides used to control weeds growing on hard surfaces, diseases on sports pitches, or insects on flowers. In addition, biopesticides will also be included.
Physical Carrying Capacity
The maximum number of individuals that a site or surface is actually able to support at any one time, whilst still allowing for adequate movement and safety of the individuals.