Evidence map›Paper›PMID 38440259›Full record

ReviewInnovation (Cambridge (Mass.))2024

Urban heat mitigation by green and blue infrastructure: Drivers, effectiveness, and future needs.

Prashant Kumar, Sisay E Debele, Soheila Khalili, Christos H Halios, Jeetendra Sahani, Nasrin Aghamohammadi, Maria de Fatima Andrade, Maria Athanassiadou, Kamaldeep Bhui, Nerea Calvillo and 19 more

Open access · goldAbstract readReview
In one paragraph

Review in Innovation (Cambridge (Mass.)), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
38.5field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

26 citing papers in PubMed, 187 citations in OpenAlex.

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  15. Community-level risk factors for temperature-related mortality in France.Environmental epidemiology (Philadelphia, Pa.) · 2025
    Article
  16. Urban Microclimates and Their Relationship with Social Isolation: A Review.International journal of environmental research and public health · 2025
    Review
  17. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

29 authors at 19 institutions in 6 countries.

Prashant KumarGlobal Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK.
Sisay E DebeleGlobal Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK.
Soheila KhaliliGlobal Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK.
Christos H HaliosSchool of Built Environment, University of Reading, Whiteknights, Reading RG6 6BU, UK.
Jeetendra SahaniGlobal Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK.
Nasrin AghamohammadiSchool Design and the Built Environment, Curtin University Sustainability Policy Institute, Kent St, Bentley 6102, Western Australia.
Maria de Fatima AndradeAtmospheric Sciences Department, Institute of Astronomy, Geophysics and Atmospheric Sciences, University of Sao Paulo, Sao Paulo 05508-090, Brazil.
Maria AthanassiadouMet Office, FitzRoy Road, Exeter EX1 3PB, UK.
Kamaldeep BhuiDepartment of Psychiatry and Nuffield Department of Primary Care Health Sciences, Wadham College, University of Oxford, Oxford, UK.
Nerea CalvilloCentre for Interdisciplinary Methodologies, University of Warwick, Warwick, UK.
Shi-Jie CaoGlobal Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK.
Frederic CoulonCranfield University, School of Water, Environment and Energy, Cranfield MK43 0AL, UK.
Jill L EdmondsonPlants, Photosynthesis, Soil Cluster, School of Biosciences, University of Sheffield, Sheffield S10 2TN, UK.
David FletcherUK Centre for Ecology & Hydrology, Environment Centre Wales, Deiniol Road, Bangor LL57 2UW, UK.
Edmilson Dias de FreitasAtmospheric Sciences Department, Institute of Astronomy, Geophysics and Atmospheric Sciences, University of Sao Paulo, Sao Paulo 05508-090, Brazil.
Hai GuoAir Quality Studies, Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong, China.
Matthew C HortMet Office, FitzRoy Road, Exeter EX1 3PB, UK.
Madhusudan KattiDepartment of Forestry and Environmental Resources, Faculty Excellence Program for Leadership in Public Science, North Carolina State University, Chancellor, Raleigh, NC 27695, USA.
Thomas Rodding KjeldsenDepartments of Architecture & Civil Engineering, and Chemical Engineering, University of Bath, Bath BA2 7AY, UK.
Steffen LehmannSchool of Architecture, University of Nevada, Las Vegas, NV 89154, USA.
Giuliano Maselli LocosselliDepartment of Tropical Ecosystems Functioning, Center of Nuclear Energy in Agriculture, University of São Paulo, Piracicaba 13416-000, Sao Paulo, Brazil.
Shelagh K MalhamSchool of Ocean Sciences, Bangor University, Menai Bridge, Anglesey LL59 5 AB, UK.
Lidia MorawskaGlobal Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK.
Rajan ParajuliDepartment of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC 27695, USA.
Christopher D F RogersDepartment of Civil Engineering, School of Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
Runming YaoSchool of Built Environment, University of Reading, Whiteknights, Reading RG6 6BU, UK.
Fang WangState Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.
Jannis WenkDepartments of Architecture & Civil Engineering, and Chemical Engineering, University of Bath, Bath BA2 7AY, UK.
Laurence JonesUK Centre for Ecology & Hydrology, Environment Centre Wales, Deiniol Road, Bangor LL57 2UW, UK.
University of Surrey · GBUniversidade de São Paulo · BRMet Office · GBNorth Carolina State University · USUK Centre for Ecology & Hydrology · GBUniversity of Bath · GBBangor University · GBChinese Academy of Sciences · CNChongqing University · CNCranfield University · GBHong Kong Polytechnic University · HKMurdoch University · AUQueensland University of Technology · AUUniversity of Birmingham · GBUniversity of Nevada, Las Vegas · USUniversity of Oxford · GBUniversity of Reading · GBUniversity of Sheffield · GBUniversity of Warwick · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The combination of urbanization and global warming leads to urban overheating and compounds the frequency and intensity of extreme heat events due to climate change. Yet, the risk of urban overheating can be mitigated by urban green-blue-grey infrastructure (GBGI), such as parks, wetlands, and engineered greening, which have the potential to effectively reduce summer air temperatures. Despite many reviews, the evidence bases on quantified GBGI cooling benefits remains partial and the practical recommendations for implementation are unclear. This systematic literature review synthesizes the evidence base for heat mitigation and related co-benefits, identifies knowledge gaps, and proposes recommendations for their implementation to maximize their benefits. After screening 27,486 papers, 202 were reviewed, based on 51 GBGI types categorized under 10 main divisions. Certain GBGI (green walls, parks, street trees) have been well researched for their urban cooling capabilities. However, several other GBGI have received negligible (zoological garden, golf course, estuary) or minimal (private garden, allotment) attention. The most efficient air cooling was observed in botanical gardens (5.0 ± 3.5°C), wetlands (4.9 ± 3.2°C), green walls (4.1 ± 4.2°C), street trees (3.8 ± 3.1°C), and vegetated balconies (3.8 ± 2.7°C). Under changing climate conditions (2070-2100) with consideration of RCP8.5, there is a shift in climate subtypes, either within the same climate zone (e.g., Dfa to Dfb and Cfb to Cfa) or across other climate zones (e.g., Dfb [continental warm-summer humid] to BSk [dry, cold semi-arid] and Cwa [temperate] to Am [tropical]). These shifts may result in lower efficiency for the current GBGI in the future. Given the importance of multiple services, it is crucial to balance their functionality, cooling performance, and other related co-benefits when planning for the future GBGI. This global GBGI heat mitigation inventory can assist policymakers and urban planners in prioritizing effective interventions to reduce the risk of urban overheating, filling research gaps, and promoting community resilience.

Indexed as

climate changeheat mitigationheat stressnature-based solutionssustainable development goalsurban cooling

Identifiers

PMID38440259
PMCPMC10909648
OpenAlexW4391617520

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.