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

Every Day Climate Change 2 years 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 3 hours ago



Britain’s plan for an electrical superhighway built with entirely recycled copper places circular economy principles at the centre of national infrastructure. The use of renewable building materials with low embodied carbon demonstrates that large‑scale projects can lower the carbon footprint of construction while maintaining commercial viability. This shift in sustainable construction reflects growing reliance on life cycle thinking in construction and commitment to resource efficiency in construction supply chains. The initiative acts as a live test of whether infrastructure can achieve net zero whole life carbon without relying on virgin materials, setting a benchmark for carbon neutral construction.

The approval of two major solar farms delivering clean electricity to 200,000 homes confirms that renewable energy assets are integral to sustainable urban development. These projects connect green infrastructure and sustainable building practices with long‑term energy resilience. In parallel, the new Water Delivery Taskforce shows that sustainable building design is being integrated into housing policy through life cycle cost and whole life carbon assessment metrics, embedding environmental sustainability in construction planning.

The OECD’s assessment of nuclear capacity exposes deficiencies in delivery mechanisms, highlighting the importance of embodied carbon data, supply‑chain transparency and circular construction strategies. Skills development, finance and lifecycle assessment frameworks will determine how effectively the UK decarbonises the built environment. As net zero carbon buildings become standard practice under BREEAM and forthcoming BREEAM v7 guidance, sustainable design is shifting from aspiration to enforcement. Each project adopting low carbon building principles and eco‑design for buildings reinforces a circular economy in construction, where end‑of‑life reuse minimises waste and maximises building lifecycle performance.

Together these developments mark a transition toward environmentally responsible industry practice. The sector is redefining green construction around eco‑friendly construction methods, sustainable material specification and evidence‑based whole life carbon management, establishing sustainable construction as a foundation of national economic planning.

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