Dr. Antony Ham Pong, who's been treating allergy patients for about 35 years, warns the combination of a wet spring and heavy snow melt threaten to create a "super bloom of ragweed with lots of pollen."

Sargassum, a type of seaweed, is creating problems as it washes up across the Caribbean.

The grandchildren of Annie Kruger remember her lighting an Export A Green cigarette, throwing on her logger's jacket and heading out to set fires near Penticton, B.C. — part of an ancient tradition of using flames to clear brush, renew growth and create natural fireguards.

The head of the Ottawa Food Bank says their ability to provide fresh produce to people in need has taken a hit this summer after a wet and cold growing season stunted production of staple foods like potatoes and carrots.

26 fires are burning in the Old Crow district but Yukon Wildland Fire says the community is not at risk

In other parts of the West, evacuation orders were lifted in Colorado and Montana towns threatened by wildfires

A new study has found permafrost at outposts in the Canadian Arctic is thawing 70 years earlier than predicted.

With few fish and limited berries, bear encounters are high in Alaska's capital city this year.

As lower Kenai Peninsula temperatures have soared recently, local farmers and gardeners have concerns about how June’s lack of rain and steady warm temperatures will affect their businesses in the weeks ahead.

The North Shore is discovering what life is like under moth rule. Eclipses of moths have been flitting, fluttering and generally wreaking havoc around any light source over the past week.

Frequent burning over decades reduces the amount of carbon and nitrogen stored in soils of savanna grasslands and broadleaf forests, in part because reduced plant growth means less carbon being drawn out of the atmosphere and stored in plant matter.

The answer to the Tang-colored mystery involves tiny spruce needle rust fungus spores that also rely on Labrador tea plants to survive.

For the fifth consecutive year, influxes of sargassum seaweed have begun piling up on beachfronts in major tourist destinations in Belize.

As much of the Lower 48 braces for frigid weather, Anchorage-area temperatures have run some 13 degrees above normal so far this month.

Volunteers at the Whittier Slug-Out learned about Alaska’s invasive species and helped mitigate European black slugs near a popular cove on Prince William Sound.

The worst-hit areas appear to be established neighborhoods with older spruce trees, especially in Turnagain and Spenard.

For property owners, the beetles present a vexing scenario, as some scramble to keep their trees alive while others mourn the loss and embark on the oftentimes costly removal process.