Before satellite measurements, researchers relied on estimates and data from a smattering of air and ground-based sensors. An instrument on […]
Category: Earth science
NASA’s acting chief calls for the end of Earth science at the space agency
Sean Duffy, the acting administrator of NASA for a little more than a month, has vowed to make the United […]
How old is the earliest trace of life on Earth?
A recent conference sees doubts raised about the age of the oldest signs of life. Where the microbe bodies are […]
Analysis: The Trump administration’s assault on climate action
Official actions don’t challenge science, while unofficial docs muddy the waters. Last week, the Environmental Protection Agency made lots of […]
Ars Live recap: Climate science in a rapidly changing world
The conversation then moved to the record we have of the Earth’s surface temperatures and the role of Berkeley Earth […]
What the EPA’s “endangerment finding” is and why it’s being challenged
Getting rid of the justification for greenhouse gas regulations won’t be easy. Credit: Mario Tama/Getty Images A document that was […]
Everyone agrees: 2024 the hottest year since the thermometer was invented
An exceptionally hot outlier, 2024 means the streak of hottest years goes to 11. With very few and very small […]