Background Articles

For more than a century farmers in California's Central Valley have been pumping water out of the ground — so much so that the land is slowly sinking, a process known as subsidence. In fewer than 100 years, it's dropped 8½ metres.

The Coast Guard ordered the Lower Kuskokwim School District to empty the tanks to prevent an environmental disaster as the eroding Kuskokwim riverbank advanced towards the fuel site.

The top of the world saw record-beating average temperatures flashing through all three summer months.

The monthly temperature for the entire country was 1.7 degrees above normal.

Microplastics from the breakdown of plastics and from microbeads used in toothpaste and exfoliants, are so small, they are able to travel in the atmosphere.

Somewhere between the size of a sewer rat and a beaver, with a tail resembling that of an opossum and protruding, nacho cheese-colored teeth, the nutria is both impressively unattractive and highly destructive.

Average temperature for month amid Arctic heatwave was 58.1F (14.5C), nearly 1F above previous high set in July 2004

Bees, butterflies, and other insects are under attack by the very plants they feed on as U.S. agriculture continues to use chemicals known to kill.

Global warming is shrinking the permanently frozen ground across Siberia, disrupting everyday life in one of the coldest inhabited places on earth.

Record-breaking temperatures are nothing new for Norwegian glaciers. If temperatures become warmer, more glaciers may disappear.

Earth’s natural cycles can’t account for the recent warming seen over the past 100 years, new research suggests.

The article discusses the unique dragonfly species in Alaska, including the lake darner and the treeline emerald, which thrive in cold climates and have a high prey capture success rate.

A researcher says her team couldn't believe the distance travelled.

The state Division of Air Quality is warning of the smoke's potential health effects, with advisories in effect until Friday evening, pending any extensions.

In recent decades, Norway has seen a clear increase in the number of days that are warmer than normal. Here you can check the development 42 locations in the country.

As government officials look for money for a study, university professors working with students say there’s plenty of data available — and little time to lose.

The Homer Spit’s future as an iconic tourist attraction is in danger of washing away. Erosion along the spit’s sea walls is not a new problem. City officials are working with state and federal agencies to find a lasting solution.

Extreme erosion of Arctic coastlines in a changing climate—up to a metre a day—has been revealed with drone surveys.

The drought has had damaging economic and ecological impacts.

In the Eureka Sound Lowlands on Ellesmere and Axel Heiberg islands, the permafrost is more than half a kilometre deep, and the average air temperature is –19.7 C. But higher summer temperatures have caused the earth to collapse.