We issues alerts in many instances when the Climate Shift Index identifies a notable extreme weather event around the world that was made more likely by human-caused climate change. Climate Matters is ...

For many years, climate change has appeared in headlines, policy debates, and scientific reports. The phrase itself can sound overwhelming. It can feel like something distant, complicated, or ...

Climate is the average state of the atmosphere and the underlying land or water, on time scales of seasons and longer. Climate is typically described by the statistics of a set of atmospheric and ...

In 2025—Earth's third warmest year on record—massive fires destroyed entire neighborhoods in Los Angeles, a deadly heatwave killed more than 24,000 in Europe and powerful storms triggered catastrophic ...

The warming of the world's oceans caused by climate change helped double Hurricane Melissa's wind speed in less than 24 hours over the weekend, climate scientists said Monday. Melissa is currently a ...