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 ...

Wildfires are sparked either by natural events (generally lightning) or by human activities. But people started 87% of U.S. wildfires from 2001 to 2024, accounting for almost half of all acres ...

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 ...

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.

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.

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% ...

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 ...