glossary
Welcome to our glossary of useful terms and expressions related to sustainability in the m&e sector.
You can search for definitions and explanations using our alphabetical links below or simply by scrolling through.
We hope you find these helpful and you will see as you navigate other pages on the site that each time a glossary term occurs there is a live link to its definition here.
Please contact the site editor Ewen Rose if there are other subjects you think we should include.
- Market Transformation Programme (MTP)
- Government programme that aims to bring forward products, systems and services that do less harm to the environment, using less energy, water and other resources. The MTP provides strategic support to a growing set of 'product' policies that aim to encourage resource efficiency through supply-chain measures such as reliable product information, raising minimum standards and encouraging best practice.
- Methane
- A compound of carbon and hydrogen (chemical formula CH4) and the main component of natural gas.
- Micro-CHP
- CHP on a very small scale, typically below 5kW electrical output, designed for use in homes and small commercial buildings.
- Micro-wind turbines
- Very small wind turbines (usually up to 1kW output) designed to provide electric power to a home or other local site for a variety of applications.
- Microgeneration
- Small electricity generating systems, typically ranging in size up to 50kWe output. They are installed close to the point of use, either in smaller businesses or homes. Such systems include CHP and renewables such as wind generation and photovoltaics.
- Montreal Protocol
- An agreement signed in Montreal in 1987 in which signatory nations consented to limit production and consumption of ozone-damaging chemicals.