Climate Central bridges the scientific community and the public, providing clear information to help people make sound ...

Climate Central bridges the scientific community and the public, providing clear information to help people make sound decisions about the climate.

Average temperatures and days above normal were calculated for each meteorological summer (June, July, August) from 1970 to 2024 using data obtained from the Applied Climate Information System ...

Levels of planet-warming CO2 in the atmosphere surged in 2024, growing at the fastest annual rate on record. As heat-trapping pollution continues to warm the planet, summer temperatures are ...

Click the downloadable graphic: Pregnancy Heat-Risk Days Added by Climate Change Extreme heat presents dangerous risks to global maternal health and birth outcomes. According to the U.S. Centers ...

Read the full report: Climate change increasing pregnancy risks around the world due to extreme heat (2020-2024) Download the data: For 247 countries, territories, and dependencies and 940 cities ...

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 ...

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.

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 ...

The electric power sector — which generates and distributes electricity to homes, businesses, factories, electric vehicles, and farming operations — produces 25% of heat-trapping pollution in ...

Season length and temperatures vary naturally from year to year. But the unprecedented rate of global warming observed since the 1950s, due primarily to emissions of heat-trapping gases from ...

The U.S. experienced 24 billion-dollar weather and climate disasters from January through November 2024 — a total second only to the record 28 annual disasters set just last year. These 24 ...