The fingerprints of climate change are all over the intense heat waves gripping the globe this month, a new study finds. Researchers say the deadly hot spells in the American Southwest and Southern Europe could not have happened without the continuing buildup of warming gases in the air.
These unusually strong heat waves are becoming more common, Tuesday's study said. The same research found the increase in heat-trapping gases, largely from the burning of coal, oil and natural gas has made another heat wave -- the one in China -- 50 times more likely with the potential to occur every five years or so.
A stagnant atmosphere, warmed by carbon dioxide and other gases, also made the European heat wave 4.5 degrees Fahrenheit (2.5 degrees Celsius) hotter, the one in the United States and Mexico 3.6 degrees Fahrenheit (2 degrees Celsius) warmer and the one in China one 1.8 degrees Fahrenheit (1 degree Celsius) toastier, the study found.
Several climate scientists, using tree rings and other stand-ins for temperature records, , easily the hottest of human civilization.
"Had there been no climate change, such an event would almost never have occurred," said study lead author Mariam Zachariah, a climate scientist at Imperial College of London. She called heat waves in Europe and North America "virtually impossible" without the increase in heat from the mid 1800s. Statistically, the one in China could have happened without global warming.
Since the advent of industrial-scale burning, the world has warmed 2.2 degrees Fahrenheit (1.2 degrees Celsius), so "they are not rare in today's climate and the role of climate change is absolutely overwhelming," said Imperial College climate scientist Friederike Otto, who leads the team of volunteer international scientists at World Weather Attribution who do these studies.
The particularly intense heat waves that Texas, California, Arizona, New Mexico, Nevada, Baja California, Sonora, Chihuahua and Coahuila are now roasting through are likely to happen about once every 15 years in the current climate, the study said.
But the climate is not stabilized, even at this level. If it warms a few more tenths of a degree, this month's heat will become even more common, Otto said. Phoenix has had a record-shattering 25 straight days of temperatures at or above 110 degrees Fahrenheit (43.3 degrees Celsius) and more than a week when the nighttime temperature never dropped below 90 degrees Fahrenheit (32.2 Celsius)
The heat in Spain, Italy, Greece and some Balkan states is likely to reoccur every decade in the current climate, the study said.
Because the weather attribution researchers started their analysis of three simultaneous heat waves on July 17, the results are not yet peer reviewed, which is the gold standard for science. But it used scientifically valid techniques, the team's research regularly gets published and several outside experts told The Associated Press it makes sense.
The way scientists do these rapid analyses is by comparing observations of current weather in the three regions to repeated computer simulations of "a world that might have been without climate change," said study co-author Izidine Pinto, a climate scientist at the Royal Netherlands Meteorological Institute.
In Europe and North America, the study doesn't claim human-caused climate change is the sole cause of the heat waves, but it is a necessary ingredient because natural causes and random chance couldn't produce this alone.
Texas state climatologist John Nielsen-Gammon said the study was reasonable, but looks at a broad area of the U.S. Southwest, so it may not be applicable to every single place in the area.
"In the United States, it's clear that the entire southern tier is going to see the worst of the ever-worsening heat and this summer should be considered a serious wake-up call," said University of Michigan environment dean Jonathan Overpeck.
With heat waves, "the most important thing is that they kill people and they particularly kill and hurt and destroy lives and livelihoods of those most vulnerable," Otto said.
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A $2.14-billion federal loan for an Ottawa-based satellite operator has Canadian politicians arguing about whether American billionaire Elon Musk poses a national security risk.
The maker of the popular party game Cards Against Humanity is accusing Elon Musk's SpaceX of trespassing on and damaging a plot of vacant land the company owns in Texas.
Specialist divers surveying the wreckage of the US$40 million superyacht that sank off Sicily in August, killing seven people including British tech tycoon Mike Lynch, have asked for heightened security to guard the vessel, over concerns that sensitive data locked in its safes may interest foreign governments, multiple sources told CNN.
A sea lion swam free after a rescue team disentangled it near Vancouver Island earlier this week.
A northern Ontario man is facing a $12,000 fine after illegally shooting a moose near the Batchawan River.
Twenty-seven year Â鶹ӰÊÓ reporter and anchor John Vennavally-Rao shares his story of what it was like to have an ostomy bag as part of his health-care battle. 'I’m grateful for what it did to extend my life,' he writes in a personal column for CTVNews.ca.
The British Columbia election campaign is set to officially start today, with Lt.-Gov. Janet Austin issuing the writ for the Oct. 19 vote.
A new study is adding to emerging research showing that exposure to metals such as cadmium, uranium and copper may also be associated with the leading cause of death worldwide, cardiovascular disease.
The Lebanese militant group Hezbollah announced that it fired a barrage of missiles at a military base deep inside Israel early Sunday following an Israeli airstrike more than a day earlier that killed at least 37 people, including one of the militant group’s senior leaders as well as women and children.
A man is facing numerous drug trafficking charges after Dufferin OPP seized a large assortment of drugs and weapons in Orangeville earlier this week.
The London Police Service (LPS) is currently investigating a suspicious death in the east end.
The British Columbia election campaign is set to officially start today, with Lt.-Gov. Janet Austin issuing the writ for the Oct. 19 vote.
A sea lion swam free after a rescue team disentangled it near Vancouver Island earlier this week.
A northern Ontario man is facing a $12,000 fine after illegally shooting a moose near the Batchawan River.
A body has been found in the vicinity where a woman went missing on the Ottawa River near Pembroke, Ont. while kayaking Tuesday night, according to the Ontario Provincial Police (OPP).
Donald Trump returned to North Carolina on Saturday, stumping in the southern battleground state with direct appeals to women, claiming he would be a better champion for them than U.S. Vice President Kamala Harris, who is vying to become the first female president.
Sheba, a 50-year-old seal at the Cornish Seal Sanctuary in southwest England, has far surpassed the average lifespan for seals and could be the oldest in captivity in the world.
The more Chelsea Walsh talked to the eccentric fellow American who seemed to pop up in every square and cobblestone street of Ukraine's capital, the more she got creeped out.
Specialist divers surveying the wreckage of the US$40 million superyacht that sank off Sicily in August, killing seven people including British tech tycoon Mike Lynch, have asked for heightened security to guard the vessel, over concerns that sensitive data locked in its safes may interest foreign governments, multiple sources told CNN.
The Lebanese militant group Hezbollah announced that it fired a barrage of missiles at a military base deep inside Israel early Sunday following an Israeli airstrike more than a day earlier that killed at least 37 people, including one of the militant group’s senior leaders as well as women and children.
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Foreign Affairs Minister Melanie Joly says close to 45,000 Canadians are in Lebanon, months after warning there is no guarantee Ottawa can evacuate them if the situation deteriorates further.
The federal firearm buyback program has cost taxpayers nearly $67.2 million since it was announced in 2020, but it still hasn't collected a single gun.
A new study is adding to emerging research showing that exposure to metals such as cadmium, uranium and copper may also be associated with the leading cause of death worldwide, cardiovascular disease.
For some young people, a popular method for getting a quick high is by misusing laughing gas — and lately, that’s in the form of nitrous oxide from products sold by the company Galaxy Gas.
Looking after an adult with severe autism can be a full-time job. Ask any parent who has a child severely affected by autism spectrum disorder – it’s a job that can get more difficult as the child becomes an adult.
If something looks too good to be true, it might be. That's the message from Saskatchewan horticulturists after customers have come into their stores hoping to buy purple apple trees this month.
The owner of the shuttered Three Mile Island nuclear power plant said Friday that it plans to restart the reactor under a 20-year agreement that calls for tech giant Microsoft to buy the power to supply its data centers with carbon-free energy.
Lebanese authorities on Thursday banned walkie-talkies and pagers from being taken on flights from Beirut airport, the National News Agency reported, after thousands of such devices exploded during a deadly attack on Hezbollah this week.
Kathryn Crosby, who appeared in such movies as 'The 7th Voyage of Sinbad', 'Anatomy of a Murder,' and 'Operation Mad Ball' before marrying famed singer and Oscar-winning actor Bing Crosby, has died. She was 90.fff
'Saturday Night Live' will have a slew of famous faces to help kick off its historic 50th season when the show returns later this month.
The death of the Tragically Hip’s lead singer Gord Downie united fans across Canada in their grief, but in many ways pulled his bandmates apart.
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The Canadian Food Inspection Agency says a recall of Nutrabolics brand Feed Me Vegan Real Food Protein & Oats bars due to undeclared milk has been expanded.
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Jonathan Aranda homered for the second consecutive game, helping Taj Bradley and the Tampa Bay Rays beat the Toronto Blue Jays 3-2 on Saturday.
Kiefer Sherwood spent several nights last spring chasing Quinn Hughes around the ice and generally pestering the Vancouver Canucks.
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General Motors (GM) has issued a recall for 38,000 vehicles for safety risks related to a software glitch, Transport Canada reported in a notice on Wednesday.
Chechen leader Ramzan Kadyrov has accused Tesla CEO Elon Musk of 'remotely disabling' his Cybertruck, which had been sent to the frontline of Russia's war in Ukraine.
An Ontario man says it is 'unfair' to pay a $1,500 insurance surcharge because his four-year-old SUV is at a higher risk of being stolen.
Cole Haas is more than just an avid fan of the F.W. Johnson Wildcats football team. He's a fixture on the sidelines, a source of encouragement, and a beloved member of the team.
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An anonymous business owner paid off the mortgage for a New Brunswick not-for-profit.
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Paleontologists from the Royal B.C. Museum have uncovered "a trove of extraordinary fossils" high in the mountains of northern B.C., the museum announced Thursday.
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The Royal Canadian Mounted Police is celebrating an important milestone in the organization's history: 50 years since the first women joined the force.
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A sea lion swam free after a rescue team disentangled it near Vancouver Island earlier this week.
A heritage home in Vancouver suffered "extensive damage" in a fire that broke out late Saturday morning, according to firefighters.
A 23-year-old man has been arrested after one person was found dead at a home in Richmond Hill Saturday morning.
Toronto police say they have now identified a third person who they believe was involved in a shooting that left two men dead in North York earlier this week.
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Milla White from Cochrane literally drew her way into a meeting with former boxer and actor Mickey Rourke.
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For 12 hours Saturday Canadian Pacific Kansas City (CPCK) employees, service personnel and corporate teams rode spin bikes to raise funds and awareness for charities focusing on housing homeless veterans in Canada and the U.S.
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Regina police arrested three youths in connection to a bear mace incident at a Regina high school on Friday.
The Cambridge Professional Fire Fighters’ Association held their annual Muscular Dystrophy Boot Drive on Saturday.
Protests were held in front of Kitchener City Hall on Friday, both for and against LGBTQ2S+ inclusive education and queer rights in schools.
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Saskatchewan RCMP major crimes unit is investigating after a man’s body was found on Sweetgrass First Nation.
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Ontario’s police watchdog is investigating after an Ontario Provincial Police officer discharged his firearm at a 36-year-old man in near Moonbeam, Ont., on Friday night.
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The St. Thomas police is asking the public for help locating a missing man.
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The Amherstburg Freedom Museum is celebrating a year of festivities in anticipation of its 50th anniversary in 2025.
The St. Clair College golf teams were successful at the Niagara Knights Invitational tournament on Friday.
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A sea lion swam free after a rescue team disentangled it near Vancouver Island earlier this week.
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The Red Bridge, a historic landmark in Kamloops, B.C., was completely destroyed by fire early Thursday morning.
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Despite the heavy rain, plenty of muscle turned up for United Way’s annual Pull the Bus fundraiser in Lethbridge Friday.
Lethbridge County has rescinded its fire restriction as a result of the recent cool, wet weathr.
The Lethbridge Hurricanes kicked off the 2024-25 season on a winning note Friday night, defeating the Edmonton Oil Kings 3-1 in a game played at VisitLethbridge.com Arena.
A northern Ontario man is facing a $12,000 fine after illegally shooting a moose near the Batchawan River.
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A 26-year-old driver from Surrey, B.C., has been charged with three counts of criminal negligence causing death and bodily harm in a crash that killed two youths in northern Ontario last year.
Newfoundland and Labrador's chief medical officer is monitoring the rise of whooping cough infections across the province as cases of the highly contagious disease continue to grow across Canada.
A 16-year-old biennial event aimed at fostering business in the country's eastern Arctic and northern regions has been cancelled indefinitely as a dispute unfolds between Inuit in Canada and a Labrador group claiming to share their heritage.
Jim Lester’s farm hopped on the cow-cuddling trend in early August, and his time slots have been pretty well sold out ever since.
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