A 10-year study on the Pajarito Plateau shows a 73 percent decrease in abundance and a 45 percent decrease in variety of species.
At 97 degrees, Tuesday was the hottest day of the year in Santa Rosa, breaking the 1974 record high for May 26.
The sea lions vary in decomposition. Several had their bones exposed Monday afternoon.
The carcass of a 41-foot adult female gray whale landed at San Francisco’s Crissy Field on March 31. A second adult female was found April 3 at Moss Beach in San Mateo County. A third was found April 7 floating near the Berkeley Marina and the following day another at Muir Beach. A video of the fifth dead whale was posted on social media Friday.
Thawing sea ice may have opened the door, allowing the infection to cross oceans, a new study suggests.
Torrential rains left at least 324 people dead, and hundreds of thousands more have been made homeless.
The population of endangered killer whales has hit a 30-year-low, numbering only 75 this year.
The habitat overlap of polar bears and their main prey, ringed seals, is disappearing and the bears are instead getting closer to nesting birds.
Some 600 million Indians, about half the population, face high to extreme water scarcity conditions, with about 200,000 dying every year from inadequate access to safe water, says a government report.
A storm caused flooding and road closures in New Hampshire's White Mountains and North Country, with ongoing concerns about rising river levels and dam operations.
The bears that come to the northern village of Kaktovik are climate refugees, on land because the sea ice they rely on for hunting seals is receding.
An unusually wet year is responsible for the biblical-seeming swarm of pallid-winged grasshoppers, according to entomologists.
Phoenix's blistering July heat wave has broken multiple records. There's little relief in sight, according to the National Weather Service. Every single day so far in the month of July, the high temperature — as recorded by the National Weather Service at Phoenix Sky Harbor International Airport — has been 110 degrees Fahrenheit or higher.
For the third year in a row, an enormous wildfire is destroying homes and properties in California, with smaller fires raging elsewhere in the state.
Many residents of Ulan Bator, Mongolia, use coal-burning stoves during the winter months when staying warm is a matter of survival. But the pollution is hazardous to their health.
With schools and parks in the city closed for the day, and hundreds of shops shuttered, many Romans took the unexpected blanket of white in cheerful stride.
Two people were found to have plague this week. What does the disease look like in the modern world, and why does it keep happening in New Mexico?
Countless human-made troubles in the Indonesian capital pose an imminent threat to the city’s survival. And it has to deal with mounting threats from climate change.
The hordes came running and the snow-white raptor became the latest celebrity bird of Manhattan. Some enthusiasts took Manhattan Bird Alert to task for revealing the bird’s exact whereabouts to 38,000 followers. By Thursday morning, the Central Park snowy was nowhere to be found.
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