KEY CONCEPTS. Climate Central analyzed how and where urban heat islands boost temperatures within 65 major U.S. cities that are home to 50 million people, or 15% of the total U.S. population.

Extreme weather events fueled by climate change bring health risks—including from damp, moldy homes after storms and floods.

More billion-dollar severe storms. More storms with tornadic potential. Severe weather hazards shifting east into additional vulnerable communities—and extending earlier into winter months.

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 ...

Read the report: 365 Days on a Warming Planet: Revealing the fingerprints of human-caused climate change on daily temperatures around the world—using the Climate Shift Index Key Facts. Climate ...

KEY CONCEPTS. According to combined NOAA and NASA data, global temperatures in 2023 ranked highest in the 144-year record, at 1.4°C (2.52°F) above the early industrial (1881-1910) baseline average.

Power outages are increasingly common, and weather was the cause of about 83% of major outages from 2000-2021. New analysis breaks down U.S. trends by region and weather event type.

Power outages and hot weather are a dangerous mix. Heat season outages now happen 60% more often than during 2000-2009.

KEY CONCEPTS. 2022 was the 18th hottest year on record for the U.S., according to NOAA.. Temperatures in 2022 are a snapshot of a longer warming trend across the U.S. and the globe. 2022 was also ...

The planet’s strongest year-to-year climate variation—ENSO—is likely to flip from La Niña to neutral by spring. Here’s how ENSO influences weather patterns in the U.S. and around the globe.

Poison ivy and the Lyme disease-carrying blacklegged tick may both pose more of a threat to public health now, as a result of climate change.

Fire weather trends in the East. Most eastern areas included in this analysis saw, at most, a few more days of annual fire weather since 1973 — and around 30% of eastern climate divisions saw ...