Weather phenomena are very rapid and variable compared with climate properties that are defined and changing on longer time scales. The weather might be hot one day and cold the next, but an annual ...

Attribution researches the influence of climate change on local weather and impacts. We issues alerts in many instances when the Climate Shift Index identifies a notable extreme weather event around ...

Climate change is causing the weather to get more erratic across the U.S. Rain storms that used to happen once in a lifetime now occur every few years. Heat waves are hotter, and last longer.

Extreme weather is by definition rare on our planet. Ferocious storms, searing heatwaves and biting cold snaps illustrate what the climate is capable of at its worst. However, since Earth’s climate is ...

Pew Research Center conducted this study to understand Americans’ attitudes toward and experiences with extreme weather. For this analysis, we surveyed 5,085 U.S. adults from April 28 to May 4, 2025.

A decade ago, scientists would say they were pretty sure a specific hurricane, heatwave, flood, drought or raging wildfire was more severe due to climate change, but they could rarely pinpoint its ...

Real-time tools, visuals, and other resources to quantify the role of climate change in weather events. Alerts We issues alerts in many instances when the Climate Shift Index identifies a notable ...

Forest fires are on the rise globally. An increase in severe fire weather is largely responsible. By Rebecca Dzombak In 2023 and 2024, the hottest years on record, more than 78 million acres of ...

Earlier this year, the UK’s weather and climate service, the Met Office, announced average global temperatures in 2023 were 1.46°C above pre-industrial levels. This made it the hottest year on record, ...

Left: global annual mean carbon dioxide (black curve) and air temperature (red curve) since 1850. Right: Average temperatures over central England in summer (red curve) and winter (curve).