
How the Polar Vortex Can Bring Arctic Blasts to the U.S.
Vast weather patterns can carry blasts of frigid air far from the polar regions—here’s how it works

How the Polar Vortex Can Bring Arctic Blasts to the U.S.
Vast weather patterns can carry blasts of frigid air far from the polar regions—here’s how it works

50,000 Scientists Urge Congress to Protect Research from Trump
Two open letters from scientists and science advocacy groups reflect a growing anxiety about the future of federal science under President-elect Trump


Wildfires May Be Contaminating Los Angeles Water with Harmful Chemicals
Fires can make drinking water, pipes and tanks unsafe. An environmental engineer explains why that’s so and what to do

What Makes Urban Wildfire Smoke So Toxic
Wildfires burning in cities unleash a toxic, unpredictable combination of compounds into the air

Photos Show Why Los Angeles Fires Were the Worst in City’s History
The ferocity and scale of the fires that tore through the Los Angeles area become clearer in photographs

Why Does Greenland Interest Trump? Climate Change Is Only Part of the Story
Arctic shipping routes and burgeoning mining opportunities may be part of Greenland’s appeal to President-elect Donald Trump, but each comes with challenges as well

A Death from Bird Flu, a Cosmic Kiss and Wildfires in L.A.
In this week’s news rundown, norovirus cases are up, a bird flu death is reported and Los Angeles has experienced devastating fires.

Trump’s Erroneous Claims about the Los Angeles Fire Response, Debunked
President-elect Trump has incorrectly blamed California water management for the destruction from the recent fires in the Los Angeles area

Earth Surpasses 1.5 Degrees C in Hottest Year on Record
The year 2024 was the hottest on record and the first to top 1.5 degrees Celsius of warming. All 10 of the hottest years have been in the past decade

Los Angeles Fires Could Push California’s Insurance System to the Brink
Damages from the recent fires in the Los Angeles area could overwhelm California’s already stressed insurer of last resort

How the Ferocious Santa Ana Winds Are Fueling the Palisades Fire
The nature of the Santa Ana winds makes them perfectly suited to fueling blazes like the Palisades Fire, and climate change is increasing the risk

Nectar-Eating Wolves May Be Pollinating Flowers
There are fewer than 500 Ethiopian wolves, and they may be the first large carnivore known to act as a pollinator