The warm winter has made traveling on the river ice more hazardous than Bethel Search and Rescue ever remembers.

Photograph illustrates the impact of a rain-on-snow event during the winter of 2018.

Cold temperatures have started the Fall of the Iguanas and the immobilization of sea turtles, whose bodies have a hard time adjusting to the change in water temperature.

Areas starved of oxygen in open ocean and by coasts have soared in recent decades, risking dire consequences for marine life and humanity

The powerful winter weather storm was slamming into Massachusetts by mid-morning Thursday, bringing blizzard-like conditions in some areas, torrential rain in others, power outages and hurricane-strength winds on Cape Cod and the Islands.

"Currently we don't have any studies specifically looking at what factors are affecting those demographics," said Jason Caikoski, a wildlife biologist with the Alaska Department of Fish and Game. Listen now

Extreme event attribution is one of the most rapidly expanding areas of climate science

Sled dog racing season officially began on the Kuskokwim this weekend. Listen now

The statewide average temperature in December was 19.4 degrees, 15.7 degrees above the 20th century average.