Public health officials say two people in Southern California people have come down with dengue fever without traveling outside the United States, where the mosquito-borne illness is rare.
Temperatures pass 39C in Belgium and the Netherlands, as a Eurostar train breaks down in the heat.
The man, identified as 38-year-old Dutch citizen was attacked in his tent before dawn and died shortly afterwards of his injuries. Svalbard officials say there were seven people on the site at the time and they are being looked after by health services.
The community has the medical supplies it currently requires but, like many other remote or isolated communities, overcrowding makes dealing with an outbreak difficult.
In what the local weather agency said was some of the worst flash floods the Aude river has seen in more than a century, the heavy rainfall brought the equivalent of up to seven months' rain fell in just a few hours.
A four-day heatwave across western Europe that killed seven people began to ease slightly on Sunday, as temperature alerts were cut back and wildfires slowly brought under control.
Authorities warn 17ft of water could hit Lynchburg in Virginia in minutes if a dam overspills.
More than a billion people are at risk from a lack of air conditioning and refrigeration to keep them cool and to preserve food and medicines as global warming brings more high temperatures, a study showed on Monday.
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."
Hurricane Michael slammed into the Florida Panhandle with terrifying winds of 155 mph Wednesday, splintering homes and submerging neighborhoods before continuing its destructive march inland across the Southeast.
More than 27 people in Inukjuak may have been exposed to botulism after consuming contaminated walrus meat served at two recent feasts. The Nunavik regional health board made the announcement on its Facebook page on Saturday.
The Canadian Red Cross says an additional 1,500 people from the Garden Hill First Nation in Manitoba have been given evacuation orders due to wildfire smoke in the Island Lake area.
The southwest region of France was hit on Wednesday by violent hailstorms, damaging roofs, cars and killing one person.
A pest control specialist in Whitehorse says he's getting a lot more calls about stinging insects this summer - and that the heat may be to blame.
There is a warning from Island Health about a poisonous mushroom known as the "Death Cap", which has been spotted in residential areas near Victoria.
British Columbia has declared a state of emergency and thousands have been evacuated.
Wildfire conditions remained 'static' during the long weekend but fires still a concern through August
Because of the risk to public safety, efforts will be made to locate this group of river otters and remove them, Fish and Game said.
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.
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