In one of its most significant reversals on climate policy to-date, the Trump...

CNN Climate 1 year ago

In one of its most significant reversals on climate policy to-date, the Trump administration on Tuesday proposed to repeal a 2009 scientific finding that human-caused climate change endangers human health and safety, EPA Administrator Lee Zeldin announced. If successful, the repeal could strip away the federal government's most powerful way to control the country's planet-warming pollution and fight climate change. The scientific finding has served as the basis of many of the Environmental Protection Agency's most significant regulations to protect human health and environment, and decrease climate pollution from cars, power plants and the oil and gas industry. Zeldin on Tuesday spoke proudly of his agency's move to repeal the endangerment finding as the "largest deregulatory action in the history of America," speaking on "Ruthless," a conservative podcast, and referred to climate change as dogma rather than science. "This has been referred to as basically driving a dagger into the heart of the climate change religion," Zeldin said. In addition to reversing the endangerment finding, the EPA's proposal also seeks to repeal rules that regulate greenhouse gas emissions from vehicles, since they stem from the finding. The Biden EPA sought to tighten those standards to prod the auto industry to make more fuel-efficient hybrids and electric vehicles. Read more at the link in @cnnpolitics' bio. 📷: Ulysse Bellier/AFP/Getty Images

layersDaily Sustainability Digest

Published about 3 hours ago



Momentum in sustainable construction is now driven by tangible progress in materials and methods rather than declarations. The focus on reducing embodied carbon in materials and undertaking robust whole life carbon assessment is reshaping how developers, architects and engineers define sustainable building design. Initiatives such as the Reducing Plastics in Construction Summit reinforce the value of renewable building materials, eco-design for buildings and circular economy in construction frameworks to eliminate petroleum-based polymers and improve resource efficiency in construction.

Biobased composites, recyclable resins and modular approaches are being evaluated through lifecycle assessment tools that can accurately measure the carbon footprint of construction and inform sustainable material specification throughout each project stage. Digitisation is rapidly becoming integral to low carbon design and energy-efficient buildings. Advanced platforms now enable unified modelling of cost, performance and carbon, aligning lifecycle cost optimisation with environmental sustainability in construction.

TM2 Bygg’s software-led method illustrates how low carbon building processes built on data-driven insights help achieve net zero carbon buildings and deliver improved building lifecycle performance. At the policy level, regulators are reinforcing requirements for measurable reductions in embodied carbon and clear evidence of net zero whole life carbon outcomes. These shifts point toward an industry-wide transformation grounded in whole life carbon transparency and the adoption of BREEAM v7 and other sustainable building practices to standardise reporting.

The result is a market that values circular construction strategies, end-of-life reuse in construction and environmental product declarations (EPDs) as verification of a project’s environmental impact of construction. New renewable energy infrastructure, including next‑generation geothermal systems, could redefine the carbon footprint reduction potential of green building materials and low carbon construction materials. As baseload renewables expand, achieving carbon neutral construction and sustainable urban development becomes increasingly viable. The sector is moving beyond pilot projects toward a mature phase of green construction, integrating life cycle thinking in construction and decarbonising the built environment as core business practice.

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