Photos by @jameswhitlowdelano Interesting pushback to the Heat Island...

Every Day Climate Change 1 year ago

Photos by @jameswhitlowdelano Interesting pushback to the Heat Island Effect/urban deforestation post using an argument similar to what a Malaysian logging conglomerate might use. Apologies to those who draw offense when facts & evidence get in the way of a good narrative. Image #1: Heat Island Effect: In the midday sun in Tokyo on this July day it is 45.7 C (114.3 F). The Heat Island Effect in Tokyo is exacerbated by urban deforestation. Seijo is in Tokyo's Setagaya Ku (Ward), which has suffered a 34.7% tree cover loss since 2013, according to a University of Tokyo, Department of Natural Environmental Studies research paper, intensifying the heat island effect in urban Tokyo. In "leafy" districts, like Seijo, few trees exceed 3 - 4 meters in height because few houses stand long enough for the trees to reach mature height or the trees are assiduously pruned to avoid shedding leaves, seeds or fruit on neighbors' properties. When a house in Tokyo is demolished, rarely lasting longer than 25 years, the entire property is razed, including removing all trees or shrubs, leaving bare ground. Seijo, Setagaya-Ku, Tokyo, Japan Image# 2: On a treeless street, parallel to this one, in the direct sun, just steps away from this shaded street in Tokyo's Seijo neighborhood, the sun drove the temperature up to 45.7 C (114.3 F). Treelined streets like this one are so rare in Tokyo's Setagayu Ku (Ward), that Seijo is famous for these "sakura" cherry trees. Despite being a blistering 37.5C (99.5 F) under the tree canopy, the temperature drops by 8.1 C (14.6 F) compared to its parallel asphalt neighbor exposed to the punishing rays of the sun. Image#3: When older residential structures, which rarely last more than 25 years in Tokyo, are razed, the property is wiped clean of all trees or shrubs that shaded the ground. Image# 4: The Sengawa (Sen River), which separates Seijo from Soshigaya in Setagaya Ku (ward) in Tokyo, is sealed in concrete. If rivers are not reduced, like this one, to a concrete trough, they are walled or leveed as part of massive flood control projects in this densely-populated, typhoon-prone country. #climatechange #heatislandeffect

layersDaily Sustainability Digest

Published about 8 hours ago



The UK’s latest commitment to decarbonising the built environment marks a pivotal moment for sustainable construction. With £90 million allocated through the Heat Pump Investment Accelerator Competition, ministers are reinforcing domestic manufacturing of renewable heating technologies that underpin low carbon building strategies. This initiative reflects the government’s drive to advance environmental sustainability in construction, steering the sector towards net zero whole life carbon performance benchmarks. By aligning production capacity with regulatory targets, the policy enhances both supply chain resilience and the carbon footprint reduction essential to achieving net zero carbon buildings across the nation.

The £420 million relief for energy-intensive industries such as steel, cement and glass adds industrial depth to the strategy. These sectors represent some of the highest embodied carbon contributors within material supply chains. Reducing their electricity costs incentivises investment in low embodied carbon materials and circular economy practices critical for sustainable building design. The provision of up to 90% discounts on network charges from 2026 will help accelerate lifecycle assessment adoption, enabling manufacturers to assess whole life carbon assessment more precisely across their products and infrastructure.

Growing momentum around regenerative and nature-based approaches reinforces broader environmental ambitions. The funding directed by Waitrose to promote nature-friendly livelihoods reveals how life cycle thinking in construction could mirror agricultural models of circular economy success. Sustainable material specification and end-of-life reuse in construction are increasingly aligned with this ecosystem logic, where eco-design for buildings prioritises renewable building materials and measurable reductions in embodied carbon in materials from design through demolition.

Grassroots forums such as Dorset COP add a vital regional dimension to decarbonising the built environment. Their emphasis on actionable climate frameworks resonates with the construction sector’s need for practical methods such as whole life carbon assessment and lifecycle performance evaluation using tools like BREEAM and its forthcoming BREEAM v7 standards. These systems help quantify the environmental impact of construction and embed sustainable building practices within local planning mechanisms, improving both energy-efficient buildings and sustainable urban development outcomes.

Across every layer of industry, from corporate governance to site operations, design thinkers are adopting circular construction strategies that merge carbon neutral construction with resource efficiency in construction. The intersection of whole life cost and sustainability increasingly defines quality in green construction, where eco-friendly construction solutions and green building products underscore design integrity and performance transparency. This new era of low carbon design is not aesthetic posturing but an operational shift toward verifiable decarbonisation and a built environment that authentically measures its sustainability footprint over its entire lifecycle.

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