The Latest Breaking News from IPCC

Global carbon emissions from fossil fuels continue to rise and 2024 is likely to be the world’s hottest year on record.

What legal obligations do states have to fight climate change? Should high-emitting countries be held responsible for the harm they’ve caused? And should states safeguard the climate for future generations?

As climate and Earth scientists, we are acutely aware that action on climate change is desperately needed. It is now almost certain that 2024 will not only be the warmest year ever recorded, but also the first year that will be 1.5°C warmer than pre-industrial levels.

US president-elect Donald Trump has indicated that he will again withdraw his country from the Paris agreement and perhaps the UN climate process altogether. The uncertainty this has created was palpable in the negotiation rooms and hallways of the Cop29 climate summit in Baku, Azerbaijan, where I wrote this.

Scientists argue that halting the increase in annual emissions is a first step — and shouldn’t be our only focus.

Human-caused global warming has just nudged past 1.5°C, according to a new method we have developed. That’s approaching 0.2°C higher than previously thought.

Speaking out for the first time in 20 years, officer C12 revealed he had to wash bone fragments out his hair following the shooting

Among the most rapidly changing parts of our planet are the coldest landscapes near the top of the globe, just south of the Arctic. This region is warming two to four times faster than the global average.

The global response to climate change has gained momentum since the 2015 Paris agreement, yet it remains inadequate to meet the scale of the challenge. That agreement established the goal of holding global warming to well below 2°C, and to pursue efforts to limit it to 1.5°C. To achieve this,…