Glossary

BREEAM (Building Research Establishment Environmental Assessment Method) assesses the environmental performance of our buildings against a range of criteria. These include: management, energy use, health and well-being, pollution, transport, land use, ecology, materials use, waste management and water use.

The Carbon Disclosure Project is an independent not-for-profit organisation which holds the largest database of corporate climate change information in the world.

The CRC Energy Efficiency Scheme is the UK Government’s mandatory scheme aimed at improving energy efficiency and cutting emissions in large public and private sector organisations.

Feed-in tariffs require regional or national electricity utilities to buy renewable electricity at above-market rates set by the Government.

A green roof is partially or completely covered with soil and vegetation, or a growing medium. This can improve insulation, reduce stormwater run-off and encourage biodiversity.

Greenhouse gases (GHG) is a collective term used to describe a number of gases which act to trap heat in the atmosphere in a process known as the greenhouse effect. These gases include water vapour (H2O), Carbon dioxide (CO2), Methane (CH4), Nitrous oxide (N2O) and Ozone (O3).

LEED (Leadership in Energy and Environmental Design) is a US Green Building Council initiative to encourage green building and development practices. It recognises performance in sustainable site development, water savings, energy efficiency, materials selection and indoor environmental quality.

Photovoltaic roof panels convert light from the sun into clean power.

Scope 1 and 2 carbon emissions cover all activities directly associated with our professional activities, as defined by the Greenhouse Gas Protocol, which is the most widely-used international accounting tool for quantifying greenhouse gas emissions.

The urban heat island effect is the dome of warm air that frequently builds up over towns and cities

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