green lung: meaning, definition, pronunciation and examples
Low / C1-C2Formal, journalistic, environmental discourse, urban planning.
Quick answer
What does “green lung” mean?
A substantial area of plants, trees, and vegetation within an urban environment, valued for its ecological and health benefits.
Audio
Pronunciation
Definition
Meaning and Definition
A substantial area of plants, trees, and vegetation within an urban environment, valued for its ecological and health benefits.
Any natural space, such as a large park, forest, or garden, within a city that provides environmental and psychological relief by absorbing pollution and offering recreational space.
Dialectal Variation
British vs American Usage
Differences
Concept is identical, but the term is more frequently used in British English, especially in official planning and media.
Connotations
Both varieties carry positive ecological and public health connotations.
Frequency
Higher frequency in UK English. In the US, terms like 'urban forest', 'parkland', or 'green space' may be more common in everyday use.
Grammar
How to Use “green lung” in a Sentence
[City/Area]'s green lungThe [Park Name] serves as a green lung for [City].Vocabulary
Collocations
Examples
Examples of “green lung” in a Sentence
verb
British English
- The heath green-lungs the northern boroughs.
- Plans aim to green-lung the industrial quarter.
American English
- The new park district will green-lung the downtown corridor.
- Efforts to green-lung the city are underway.
adjective
British English
- The green-lung effect of the common is measurable.
- A green-lung strategy is key to the masterplan.
American English
- The green-lung benefits of the parkway are significant.
- They proposed a green-lung initiative for the waterfront.
Usage
Meaning in Context
Business
Rare. May appear in corporate social responsibility (CSR) reports regarding community projects.
Academic
Common in urban geography, environmental studies, and public health literature.
Everyday
Uncommon in casual chat. Used by environmentally-conscious citizens or in news reports.
Technical
Used in urban planning, landscape architecture, and environmental policy documents.
Vocabulary
Synonyms of “green lung”
Strong
Neutral
Vocabulary
Antonyms of “green lung”
Watch out
Common Mistakes When Using “green lung”
- Using it for small flower beds (too small in scale).
- Using it for non-urban greenery (e.g., a national forest far from a city).
- Treating it as a plural ('green lungs') unless referring to multiple specific areas.
FAQ
Frequently Asked Questions
No, it is a metaphorical term used in journalism, planning, and environmental advocacy, not a precise scientific classification.
Typically no. The metaphor strongly implies vegetation (trees, grass) that performs photosynthetic 'breathing'. A blue space (water) might be called a 'lung' in very creative writing, but it breaks the standard metaphor.
'Green lung' is a subset of 'green space'. All green lungs are green spaces, but not all green spaces are large or significant enough to be metaphorically called a 'lung' for a city.
It is less common but acceptable when referring to several distinct, major green areas serving different parts of a city, e.g., 'The city's green lungs are its eastern forest and its western parks.'
A substantial area of plants, trees, and vegetation within an urban environment, valued for its ecological and health benefits.
Green lung is usually formal, journalistic, environmental discourse, urban planning. in register.
Green lung: in British English it is pronounced /ˌɡriːn ˈlʌŋ/, and in American English it is pronounced /ˌɡrin ˈlʌŋ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Lungs of the city (a near-identical metaphor).”
Learning
Memory Aids
Mnemonic
Imagine a city breathing through a giant, leafy lung in its centre - the park is its GREEN LUNG.
Conceptual Metaphor
CITY IS A BODY (The green space is a lung, providing oxygen/cleansing). NATURE IS A RESOURCE FOR HEALTH.
Practice
Quiz
Which of the following best exemplifies a 'green lung'?