Earth’s reflective cloud cover has been shrinking for more than two decades, and a growing body of peer-reviewed research now connects that loss directly to the acceleration of global warming observed ...

According to the latest NOAA data, 2025 was Earth’s third-warmest year since records began in 1850. Global average temperatures in 2025 were 1.3°C (2.4°F) above pre-industrial (1850-1900) levels.

Despite rapid progress in clean energy and electric vehicles, the world is still warming faster than ever. The good news is that we already have powerful ways to reduce the warming rate – if ...

Laura Wilcox receives funding from the Natural Environment Research Council (NERC), the Research Council of Norway, the Clean Air Fund, and Horizon Europe. Bjørn H. Samset receives funding from the ...