"Atmospheric greenhouse gases have steadily increased over the last 10 years." Although 2025 did not set a new global temperature record, it still delivered clear signs of a warming planet. According ...

From deadly floods to billion-dollar wildfires, 2025 made it painfully clear that climate extremes are the new normal.

The aim of limiting global warming to no more than 1.5°C is slipping even further out of reach, as the latest climate data reveals global temperatures remain extremely high, with 2025 on course to ...

Chris Mooney is a Pulitzer Prize-winning journalist and a CNN Climate contributor. He is currently a professor of practice in the Environmental Institute at the University of Virginia. Planet-warming ...