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Glossary

Terms for Architecture, Green Building & Energy


This glossary includes more than 300 solar terms, as well as hundreds of additional sustainable design and construction terms.

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Carbon Dioxide

Definition: A naturally occurring greenhouse gas in the atmosphere, concentrations of which have increased (from 280 parts per million in pre-industrial times to over 350 parts per million today) as a result of humans burning coal, oil, natural gas and organic matter (e.g., wood and crop wastes). It is attributed with being a major contributor to global warming.