The Trump administration is pulling the United States out of the bedrock treaty that underpins international cooperation on climate change, along with dozens of other global bodies, according to a memorandum released by the White House Wednesday evening and an accompanying social media post.
The directive would make America the first country to pull out of the 1992 agreement.
Such an action, if successful, would leave the US out of international climate change talks and could raise tensions with US allies for whom climate action is a priority.
The agreement in question is the United Nations Framework Convention on Climate Change, or UNFCCC, which the US joined and Congress ratified in 1992, when George H.W. Bush was in the White House. The agreement does not require the US to cut fossil fuels or pollution, but rather sets a goal of stabilizing the amount of climate pollution in the atmosphere at a level that would "prevent dangerous anthropogenic (human-caused) interference with the climate system."
It also set up a process for negotiations between countries that have come to be known as the annual UN climate summits. It was under the UNFCCC's auspices that the Kyoto Protocol was negotiated in 1995, and the Paris Agreement in 2015 — two monumental moments of global cooperation and progress toward limiting harmful climate pollution.
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Embodied carbon has become central to sustainable construction, reshaping both regulation and design priorities across the UK and Europe. The Future Homes Hub has established its Embodied Carbon and Resource Efficiency Board, embedding whole life carbon thinking across housebuilding and accelerating the shift towards rigorous whole life carbon assessment. With the EU’s carbon border adjustment mechanism influencing procurement, supply chains are turning to verifiable lifecycle assessments and environmental product declarations (EPDs) to prove performance and reduce the carbon footprint of construction.
Materials innovation is driving decarbonising the built environment. Bio-based and low carbon construction materials such as wood fibre insulation are emerging as credible renewable building materials for walls, roofs, and floors. They support energy-efficient buildings through enhanced thermal performance, moisture buffering, and circular economy benefits, aligning with eco-design for buildings and resource efficiency in construction. The rise of low embodied carbon materials strengthens environmental sustainability in construction while supporting sustainable building practices within the broader circular economy in construction.
Design priorities are evolving from climate mitigation to resilience. With extreme heat intensifying, the UN-backed methodology for National Cooling Action Plans in MENA regions promotes sustainable building design through passive cooling, efficient refrigerant choice, and low carbon design strategies. Private sector adaptation, including large retailers conducting building lifecycle performance analytics, reflects a shift from ESG statements to measurable sustainability outcomes and long-term life cycle cost management.
The UK’s construction leadership warns that rapid delivery must not compromise quality. Integrating sustainable material specification, circular construction strategies, and end-of-life reuse in construction within all programmes is crucial for achieving net zero whole life carbon targets. Measuring embodied carbon in materials and specifying net zero carbon buildings at scale ensures carbon footprint reduction while maximising the environmental and functional performance of each asset. Those investing in design rigour, lifecycle assessment, and the continuous improvement demanded by standards such as BREEAM and BREEAM v7 will define the future of green construction, carbon neutral construction, and sustainable urban development.
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