For runners, footwear is one of the most important – and often most expensive...

CNN Climate 2 years ago

For runners, footwear is one of the most important – and often most expensive – pieces of gear. Experts say the typical lifespan of a traditional running sneaker falls between 310 to 435 miles, or about four to six months, depending on usage. The shoe industry also comes at a great cost to the environment: from production to end-of-life, it generates about 700 million tons of carbon dioxide per year, according to research by Quantis, an environmental sustainability consultancy. Footwear is notoriously hard to recycle because it can contain dozens of different materials that need to be processed separately. But Danny Pormes and his wife, Erna, decided to try and find a way to recycle shoes in their entirety. "Everybody told us, 'it's not going to work, it's impossible,'" Pormes recalls. But after months of experimenting in their kitchen – which involved microwaving and boiling shoes, along with a few disasters – they finally came up with a proof of concept. From there, they partnered with a machine manufacturing company, Heilig Group, which helped bring their shoe recycling factory FastFeetGrinded to life. Tap the link in bio for more. 📸 : CNN

layersDaily Sustainability Digest

Published about 5 hours ago



Sustainable construction is moving from exemplar projects to market-wide system design, with clean steel emerging as a critical test for whole life carbon policy. A new study suggests the global shift to low-carbon steel could be achieved without raising consumer costs through a revenue-neutral policy model, strengthening the case for low embodied carbon materials in mainstream procurement.

For contractors, developers and public clients, the issue is no longer whether green building materials can perform, but how governments can de-risk low carbon construction materials, reduce the carbon footprint of construction and support net zero whole life carbon targets without shielding high-emission incumbents.

The UK retrofit agenda is becoming central to environmental sustainability in construction. The National Retrofit Hub’s call for a stronger framework comes as electricity and gas prices begin to decouple, improving the life cycle cost case for heat pumps, energy-efficient buildings and electrified homes.

Retrofit policy now needs consistent standards, skilled delivery capacity and consumer protection, backed by whole life carbon assessment, lifecycle assessment and better evidence on building lifecycle performance. Public support for requiring data centres to share waste heat with nearby homes signals a shift in sustainable urban development, treating rejected heat as green infrastructure rather than waste.

Climate adaptation is also reshaping sustainable building practices. GRAHAM’s appointment to deliver the Oxford Flood Alleviation Scheme highlights rising investment in resilience, while reports of roads melting in eastern England expose the environmental impact of construction decisions based on historic weather assumptions.

The built environment is being asked to cut embodied carbon in materials while improving durability against heat, flooding and infrastructure stress. The strongest response will combine sustainable building design, low carbon design, circular economy in construction, sustainable material specification, environmental product declarations (EPDs) and end-of-life reuse in construction. BREEAM, BREEAM v7 and other performance frameworks are likely to play a growing role as clients demand net zero carbon buildings, resource efficiency in construction and credible carbon footprint reduction across the full asset lifecycle.

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