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

The United Kingdom is experiencing unusually high spring temperatures, with heat expected to intensify following the fourth-warmest London Marathon on April 27. Forecasts show that upcoming ...

Gardeners and farmers across the U.S. look to plant hardiness zones for guidance on which plants to grow. The U.S. is divided into 13 plant hardiness zones based on the local coldest temperature ...

Looking for information about the Climate Shift Index: Ocean? Head here. Click to visualize the impact of climate change on today's temperature anywhere on Earth. We often hear how global average ...

Climate Shift Index 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 ...

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Click the downloadable video: Electric Vehicle Charge Up: Shel Winkley Transportation is the leading source of heat-trapping pollution in the U.S. Of all transportation-related emissions, 80% ...

Click the downloadable graphic: Warming Since 1970 City to Country Earth Day, April 22, is an opportunity to raise awareness around planetary-scale challenges — including climate change.

Warmer-than-normal spring temperatures fueled by climate change are disrupting Norway’s spring, making Easter holiday ski trips increasingly uncertain. From late March through mid-April, heat ...