Table 3. Top 10 ACIS stations with the highest number of days at or above a CSI 2 during November 2025. We analyzed 191 Applied Climate Information System (ACIS) stations associated with U.S. cities.

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The entire planet is warming due to human-caused climate change, but the built environment further amplifies both average temperatures and extreme heat in cities. According to the U.S. Environmental ...

More than half of the global population and about 80% of the U.S. population lives in cities — and faces higher heat risks. The entire planet is warming due to human-caused climate change, but the ...

America’s capacity to generate carbon-free electricity grew during 2023 — part of a decade-long growth trend for renewable energy. Solar and wind account for more of our nation’s energy mix than ever ...

The Climate Shift Index (CSI), Climate Central’s daily temperature attribution system, applies the latest peer-reviewed methodology to map the influence of climate change on temperatures across the ...

The Climate Shift Index (CSI), Climate Central’s daily temperature attribution system, applies the latest peer-reviewed methodology to map the influence of climate change on temperatures across the ...

Summary Large-scale power outages are increasingly common across the United States. Damaging storms, extreme weather, and a growing demand for electricity are straining our nation’s aging power ...

The power grid is essential, but vulnerable. We all depend on the electricity system that serves homes and businesses across the U.S., but this system is vulnerable to large-scale outages caused by ...

Climate change threatens to drown Ellis Island. The gateway to the United States for 12 million immigrants holds a precarious place amid rising seas on a warming planet. One model predicts the island ...

The Climate Shift Index (CSI), Climate Central’s daily temperature attribution system, applies the latest peer-reviewed methodology to map the influence of climate change on temperatures across the ...

Walking along the waterfront in Fort Lauderdale and admiring the 60-foot yachts docked alongside impressive homes, it’s hard to imagine that this city could suffer the same financial fate as Detroit.