Background Articles

Towering crags and peaks of the Canadian Rocky Mountains have been getting steadily greener over the past century, according to a new study.

Bark beetle experts say a recent cold snap has likely killed some spruce beetle infestations in northern B.C.

University of Rhode Island student stumbled upon the first appearance in Rhode Island of what has come to be called sea potatoes (Colpomenia peregrina), an invasive seaweed native to the coast of Korea and Japan that grows on top of other seaweeds.

BRUNY ISLAND, TASMANIA (WASHINGTON POST) - Even before the ocean caught fever and reached temperatures no one had ever seen, Australia's ancient giant kelp was cooked.. Read more at straitstimes.com.

North American coyotes don’t live in South America, but new research suggests that could change, should deforestation in Central America continue.

Hunters say grizzly bears are showing up in growing numbers on islands of the Beaufort Sea.

The tree line is moving up mountains at a rate of half a meter a year, say researchers from Krasnoyarsk Science Centre, part of the Siberian Branch of the Russian Academy of Sciences.

Similar to what has happened in B.C., tens of millions of voracious purple sea urchins have chomped their way through towering underwater kelp forests in California.

The islands were first noticed by a student engineer who had observed the unidentified land masses in satellite images

So far, about a million acres of trees have died from Alaska to California. An Endangered Species Act listing would have made it difficult to log the tree.

Ash, elm and rowan among trees threatened by pests and pollution, says biodiversity report

Biologists say early retreating sea ice is potentially causing vegetation productivity changes on the tundra across Alaska and the Arctic. Uma Bot, a climate variability expert with the University of Alaska–Fairbanks, says the land warms up more quickly when sea ice recedes earlier than usual. “‘Cause the tundra is temperature limited and if it has more …

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

Climate change is making life difficult for the indigenous people - and wildlife - of the Sami region.

At some point even commercial tree removers will need help with disposal. And what should be planted in their place?

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

These tiny, black, thread-like pests dig into plants and like to hang about in gangs, which is why you see so many of them. It is as if they want to be as annoying as possible.

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.

This ubiquitous shrub of the Pacific Northwest is dying. Some scientists theorize that a disease or fungus could be the culprit, while others point to this past winter’s unusually dry weather.

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