Across the United States, there are pockets of vulnerability where geography, weather and human nature converge in ways that heighten the risk of flash flooding.
Some of these dangers are well-known: canyons and valleys that funnel water into narrow channels, rivers and streams with long histories of overtopping their banks. But others are less obvious — places where people flock for fun and time away from their urban lives, unaware that the same features that make these spots so inviting will also make them deadly in the right storm.
To better understand where such disasters could happen next, CNN partnered with First Street, a research organization that specializes in climate risk data, to identify some of the places where vulnerability to sudden, destructive flash floods remains high — and often overlooked.
Our analysis does not include all places that could experience something like what Kerr County, Texas, endured in early July. But you can use the interactive map at the link in @cnn’s bio to explore the river locations most prone to flash flooding, according to a recent study.
📸 : Julian Quinones/CNN | Kyle Grillot/Reuters | Lucy Nicholson/Reuters | Monika Graff/Getty Images | Jim Wilson/The New York Times/Redux | MapBox
The UK construction sector is accelerating towards a new stage of environmental sustainability in construction, where electrification and performance benchmarking define both policy and investment decisions. The Climate Change Committee’s latest assessment emphasises that failure to deliver net zero carbon buildings and undertake full Whole Life Carbon Assessment is inflating household energy costs and obstructing the transition to low carbon design. Developers and landlords are increasing spending on sustainable building design and embodied carbon reduction, integrating lifecycle assessment to map risks and manage Life Cycle Cost more effectively.
The shift toward energy-efficient buildings reflects a broader Circular Economy in construction, where renewable building materials and low embodied carbon materials are prioritised to cut the carbon footprint of construction. Engineers are integrating eco-design for buildings to balance comfort and emissions, exploring solar-integrated cooling systems as feasible pathways to net zero Whole Life Carbon. These advances are redefining sustainable construction through resource efficiency in construction, sustainable material specification and the adoption of green building products verified through environmental product declarations (EPDs).
Policy instability has delayed implementation of low carbon construction materials standards, but the supply chain is responding independently. Investors are funding hydrogen and electrification ventures aligned with circular construction strategies and carbon neutral construction objectives, signalling confidence in the sector’s ability to achieve measurable reductions in embodied carbon in materials. Assessment models such as BREEAM and the forthcoming BREEAM v7 are shaping sustainable building practices through robust evaluation of building lifecycle performance and the environmental impact of construction across the entire supply chain.
This market transformation advances sustainable urban development by moving beyond design rhetoric toward measurable reduction of the carbon footprint of construction. As contractors link life cycle thinking in construction with end-of-life reuse in construction and logistical efficiency, sustainable architecture and green construction are becoming central to business resilience. Decarbonising the built environment is now inseparable from national energy planning, confirming that sustainable building design is not optional innovation but structural necessity.
Whole Life Carbon is a platform for the entire construction industry—both in the UK and internationally. We track the latest publications, debates, and events related to whole life guidance and sustainability. If you have any enquiries or opinions to share, please do
get in touch.
Let's chat!
WLC Assistant
Ask me about sustainability
Hi! I'm your Whole Life Carbon assistant. I can help you learn about sustainability, carbon assessment, and navigate our resources. How can I help you today?