The foul-smelling seaweed is back yet again.

Evidence from Dominican Republic of the larger regional weed event.

A species of seaweed has been washing up on beaches across the Caribbean and South Florida.

-

Heavy mats of seaweed are washing up on South Florida beaches, creating thick barriers to the ocean.

Would Midsommar even be Midsommar without Swedish strawberries? Well millions may be about to find out.

Scientists scramble to explain unusual bloom of Sargassum

Dead, red trees signal an increasingly dire outbreak driven by warm summers and plentiful spruce, especially in the Susitna Valley.

According to the Icelandic Institute of Natural History, pollen levels are considerably above the average for this time of year, causing considerable irritation for those with pollen allergies.

Beetles that killed millions of acres of trees in the 1990s were a first sign of climate change. In a new flare-up, they continue marching north as Alaska warms.

A small caterpillar has already infected large areas of Norway's largest county. Scientists fear this may be the beginning of something far worse.

Looking around the deserted plaza in front of the Sandman Centre arena in Kamloops on Monday, it’s hard to believe that last month it was crammed with thousands of people who were looking for help after being forced from their homes by wildfires.

Wildfires are sweeping B.C.

Hundreds of firefighters and dozens of aircraft are working to contain the largest wildfire ever recorded in British Columbia's history, and it could take weeks to get it under control.

When Kodiak Island's elderberries started ripening earlier, its iconic bears changed their diet. It's another ecological shift amid climate change, scientists say.

Lutselk'e, N.W.T. is one of several communities in the Northwest Territories that has been blanketed by smoke over the past few days thanks to strong south winds blowing smoke up north from fires burning south of Great Slave Lake.

Unidentified plant found on Nanwalek Beach

Severe permafrost thaw and erosion along Koyukuk River banks.