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News and Opinion

Coverage of urban heat islands since December 13, 2021.

'Climate breakdown' alert as air quality dips during heatwaves: UN chief

"...The 2023 WMO Air Quality and Climate Bulletin coming on the heels of the Secretary Generals statement puts the spotlight firmly on the damage caused by heatwaves. It notes that high temperatures are not only a hazard by themselves, but they also trigger damaging pollution. Based on the 2022 data, the report shows how heatwaves fanned a dangerous drop in air quality last year..."

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$180K B.C. project uses trees to combat extreme heat waves in Vancouver

"...The path forward is not without barriers, said Sylvie Spraakman, senior water resources manager for the City of Vancouver. One big challenge that we run into is that the City of Vancouver is already very developed and its difficult to find the space to plant new trees. Trees are seen as the nice to have and not the absolutely necessary..."

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$180K UVic project uses trees to combat extreme heatwaves in Vancouver

"...“The path forward is not without barriers,” said Sylvie Spraakman, senior water resources manager for the City of Vancouver. “One big challenge that we run into is that the City of Vancouver is already very developed and it’s difficult to find the space to plant new trees. Trees are seen as the ‘nice to have’ and not the ‘absolutely necessary..."

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No Calgary daily paper to print Alberta election results Tuesday

"...One long-time electoral tradition came to an end on election day, when Postmedia announced there would be no printed newspaper announcing the winner in Calgary. In an email to subscribers, Calgary Herald editor-in-chief Lorne Motley said, "Unlike in years past, recent changes to the way we produce the newspaper means our printed products go to press too early to include final results. "In print on Tuesday, we'll have a piece from Don Braid that looks at the major issues that the new premier and government will grapple with, as well as a look at the next steps for our province overall, regardless of who wins..."

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Edmonton ‘urban heat islands' have significantly higher temperatures than surrounding rural areas: study

"...A new study out of the University of Alberta has revealed that Edmonton has “urban heat islands” (UHIs) where temperatures are significantly higher than surrounding rural areas in both the summer and winter..."

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https://thumbnails.cbc.ca/maven_legacy/thumbnails/664/343/frontburner-640x360.jpg

"...Skip to Main ContentAccessibility HelpMenuWhen search suggestions are available use up and down arrows to review and enter to select. SearchSearchSign InQuick LinksNewsSportsRadioMusicListen LiveTVWatchVideoChannelsHomeNewsSportsArtsLifeArchivesMusicDocsHow to fix urban heat islands | CBC. ca LoadedFront Burner20:34How to fix urban heat islandsHow to fix urban heat islands6 hours agoRadioDuration 20:34Often when we think about lethal heat, we picture things like forest fires..."

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Can We Cool Warming Cities?

"...Researcher Julie Donner led a Berlin-based team in a study to determine how cities are addressing the issue of urban heat hazards. While most EU development projects are legally bound by climate change legislation, her team asked if the extant climate action plans were more focused on mitigation (the reduction of greenhouse gases) or adaption (implementing measures such as increasing urban vegetation or open spaces)..."

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Bookcase-inspired Ikea store embraces sustainable shopping

"...Inside the building, Ikea currently occupies the lower floors, with a 345-bed hostel on the top two floors. The interior is filled with daylight throughout thanks to the generous glazing, which includes a skylight. The store's public rooftop terrace hosts 280 solar panels, which are used to reduce the building's draw on the grid..."

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Summerland student's science project examines last year's heat dome

"...Julia Mansiere’s project is titled, “Were Urban Heat Islands a Factor in the Deadliness of the Summer 2021 Heat Dome in British Columbia?”..."

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New York Citys borough presidents team up to lobby for a million more trees

"...Despite the proven effects of trees in combatting the urban heat island effect (and the disparity of cover in poorer neighborhoods, especially those with greater numbers of minorities), New York City isnt exactly a forest. According to environmental nonprofit Nature Conservancy, only 22 percent of the city is under tree cover, and there are approximately 7 million trees versus 8. 8 million residents..."

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Survey shows these Canadian cities have lost green spaces amid urbanization Globalnews.ca

"...Urbanization is a big driver of green space loss, said Wang. Milton grew by 350 per cent over the course of the study and Kelowna's population grew from 150,000 to 223,000. Other factors such as drought or insect infestations also play a role..."

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Recommended Reading

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Informative Video

Discussions, Documentaries, and Investigative Reports about urban heat islands.

Trees in cities really do save lives, a study has found

"...Hot weather can produce an urban heat island effect in cities with a lack of greenery, which is when asphalt, steel, and concrete absorb and retain heat, pushing the ambient temperature to dangerous highs..."

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Trees in cities really do save lives, a study has found

"...Hot weather can produce an urban heat island effect in cities with a lack of greenery, which is when asphalt, steel, and concrete absorb and retain heat, pushing the ambient temperature to dangerous highs..."

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Academic Research

Recent peer-reviewed papers about urban heat islands relevant to the latest news.

Green roof maintenance for non-residential buildings in tropical climate: case study of Kuala Lumpur

"...The implementation of a green roof is best suited for urban areas, as it provides an array of environmental benefits toward mitigating and adapting to climate change, including reduced flood risk, greenhouse gas emissions, urban heat island effects, and air pollution..."

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Simulating the effects of planning strategies on urban heat island and air pollution mitigation in an urban renewal area

"...Although some strategies were found to be useful for mitigating air pollution or urban heat island, the simultaneous effects were rarely discussed in the past studies..."

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Effect of Air Pollutants on the Carbon Sequestration Rate and Other Physiological Processes in Different Vegetation Types: A Re

"...Globally, with rapid urbanization, industrialization, and excessive use of transportation, various types of air pollutants released into the environment; are responsible for deteriorating air quality and becoming a significant environmental health hazard for humans and the environment..."

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The Application of Nature-Based Solutions for Urban Heat Island Mitigation in Asia: Progress, Challenges, and Recommendations

"...Purpose of Review Unprecedented urbanization in Asia affects the net radiation and energy flux of urban areas in the form of urban heat islands (UHI)..."

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Urbanization Impact on Regional Climate and Extreme Weather: Current Understanding, Uncertainties, and Future Research Directio

"...Besides the UHI effect and heat waves, urbanization also impacts atmospheric moisture, wind, boundary layer structure, cloud formation, dispersion of air pollutants, precipitation, and storms..."

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China?s sponge cities alleviate urban flooding and water shortage: a review

"...Overall, China's sponge cities appear promising for green urbanization, to relieve cities from water scarcity, devastating floods and urban heat island effects, while restoring the ecological functions and aesthetics of urban natural environments..."

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Investigating potential hydrological ecosystem services in urban gardens through soil amendment experiments and hydrologic mode

"...Among the ecosystem services provided by urban greenspace are the retention and infiltration of stormwater, which decreases urban flooding, and enhanced evapotranspiration, which helps mitigate urban heat island effects..."

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Spatiotemporal dynamics of urban landscape in Asansol municipal corporation, West Bengal, India: a geospatial analysis

"...LANDSAT TM (1991, 2008) and OLI (2018) were used to analyse the land use/land cover (LULC) change, land transformation, urban expansion, growth direction, and urban sprawl to understand the nature of built-up area growth in Asansol Municipal Corporation (AMC), West Bengal..."

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Urban Forests as Nature-Based Solutions: a Comprehensive Overview of the National Forest City Action in China

"...Purpose of Review In tandem with China?s rapid urbanisation and economic growth, some negative impacts on the eco-environment and human wellbeing have arisen, such as the urban heat island effect, air pollution and lack of recreational spaces..."

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Ecosystem Services Analysis and Integration in Hengqin and Macao

"...With the rapid development of the city and economy, a series of environmental problems have emerged in Macao, such as the lack of freshwater resources, disastrous urban flooding caused by typhoons and heavy rains, intensification of the urban heat island effect, increased carbon dioxide emissions and pressure on recreational space..."

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