The Billion-Dollar Weather and Climate Disasters Database, which the Trump administration "retired" in May, has relaunched outside of the government using the same methodology. In its first update at the new site, the database shows that the first six months of 2025 have been the most expensive first six months of any year since 1980.
The database tracks the financial costs of property and other infrastructure destroyed by extreme weather disasters in the United States, focusing on events that caused $1 billion or more in damages. So far, 2025 has racked up $101.4 billion in such losses. The climate research nonprofit Climate Central now hosts the database and makes this information available to insurers, policy makers, broadcast meteorologists and ordinary citizens.
The database was rebuilt and will be maintained by its previous administrator Adam Smith, a former economist at the National Oceanic and Atmospheric Administration, the agency which used to host it. Smith found 14 billion-dollar disasters in the first half of this year, including the Los Angeles wildfires in January and a tornado outbreak across the central US in mid-March. More billion-dollar disasters are likely to be added to the list before 2025 is over.
Without the database, the public would have no easy way to track the cost of extreme weather events, many of which are becoming more common and severe because of climate change.
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The UK’s sustainable construction agenda is shifting from headline innovation to delivery at scale, with retrofit, electrified heat and climate resilience now central to decarbonising the built environment. The National Retrofit Hub’s call for a stronger retrofit system highlights a persistent gap between ambition and implementation: reliable skills, coherent standards, trusted advice and financeable programmes are still needed to cut the carbon footprint of construction across existing building stock.
Retrofit strategies must be judged through whole life carbon assessment, embodied carbon, life cycle cost and lifecycle assessment, rather than short-term capital spend alone. Sustainable building design now depends on building lifecycle performance, low carbon design and sustainable material specification, including environmental product declarations (EPDs), low embodied carbon materials and greater resource efficiency in construction.
Nesta’s analysis that electricity bills are rising more slowly than gas strengthens the case for heat pumps, electrified building services and energy-efficient buildings. If the price gap continues, low carbon building upgrades will become easier to justify through household running costs as well as carbon footprint reduction. Net zero carbon buildings and net zero whole life carbon outcomes will rely on this practical alignment between policy, affordability and performance.
Climate adaptation is becoming part of environmental sustainability in construction. Planting, shading, passive cooling, ventilation and green infrastructure are now essential components of sustainable design and eco-design for buildings, not optional enhancements. The sector’s response to hotter summers must avoid locking in high-energy cooling demand and instead prioritise resilient, low-impact construction.
For commercial property owners, the next phase of ESOS must turn audits into investable decarbonisation plans. BREEAM, BREEAM v7, circular economy principles and circular construction strategies can help move projects from compliance to measurable performance. Sustainable building practices, end-of-life reuse in construction and circular economy in construction will define whether green construction becomes a scalable operating model or remains a collection of isolated initiatives.
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