See what vehicle emission levels look like in 500 cities across the world
With greenhouse gas emissions usually reported at the global or national level, it can be difficult to determine their prevalence in local communities.
Until now, that is.
A new tool developed by scientists at the Johns Hopkins Applied Physics Laboratory tracks the spread of greenhouse gases such as carbon dioxide at the scale of a city block.
Using artificial intelligence and satellite imaging, researchers are able to provide estimates of vehicle emission levels across 500 cities worldwide.
CTV News Science and Technology Specialist Dan Riskin has more in this month’s Riskin Report.
RISKIN REPORTS
CTVNews.ca Top Stories
'It was a nightmare': 2 children dead, driver arrested after city bus crashes into Laval daycare
A man has been arrested and two children are dead after a driver crashed a city bus into a daycare in Laval, Que. Wednesday morning. The deadly crash sent multiple children to area hospitals and parents scrambling to find their kids shortly after they dropped them off for the day at the Garderie éducative Sainte-Rose, north of Montreal.
'There are no words': Laval daycare bus crash prompts outpouring of condolences on Parliament Hill
Condolences are pouring in on Parliament Hill after a Laval, Que., city bus crashed into a daycare on Wednesday morning, with federal politicians of all stripes expressing their sympathies with the families affected and gratitude to the first responders.
Netflix Canada begins password sharing crackdown
Netflix Canada is rolling out its long-anticipated plans to crack down on password sharing, saying it will begin notifying Canadian users today by email about limitations.
Bank of Canada releases details on interest rate decision for the first time
The Bank of Canada released a summary of its Governing Council meetings on Wednesday, providing the public and financial institutions with more insight into the central bank’s decision to raise its key interest rate on Jan. 25.
Health-care workers have new hand-washing guidelines. Here's how you can apply them
The way respiratory viruses have circulated this fall and winter, most Canadians could probably benefit from a hand-hygiene refresher. Here are the latest hand-washing best practices to apply in your daily life.
Labour shortages could push up wages, 'reignite inflation' in long run, report warns
Protracted labour shortages in Canada could fuel more rapid wage growth and inflation over time, potentially prompting the need for higher interest rates long-term, a new RBC Economics report released Wednesday said.
Awkward moment or conscious message? Political experts weigh in on Danielle Smith-Justin Trudeau handshake
An 'awkward' attempt at a handshake between Alberta Premier Danielle Smith and the prime minister Tuesday is another example of leaders from the western province hesitating before shaking Justin Trudeau's hand, say political experts.
Killer whale mothers take care of their sons much longer than their daughters. This could be why
The sacrifices female killer whales make for their sons well after they are weaned is negatively affecting their reproductive health, according to new scientific research.
Turkiye, Syria quake death toll nears 12,000
With hope of finding survivors fading, stretched rescue teams in Turkiye and Syria searched Wednesday for signs of life in the rubble of thousands of buildings toppled by the world's deadliest earthquake in more than a decade. The confirmed death toll approached 12,000.
Canada
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'It was a nightmare': 2 children dead, driver arrested after city bus crashes into Laval daycare
A man has been arrested and two children are dead after a driver crashed a city bus into a daycare in Laval, Que. Wednesday morning. The deadly crash sent multiple children to area hospitals and parents scrambling to find their kids shortly after they dropped them off for the day at the Garderie éducative Sainte-Rose, north of Montreal.
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Bank of Canada releases details on interest rate decision for the first time
The Bank of Canada released a summary of its Governing Council meetings on Wednesday, providing the public and financial institutions with more insight into the central bank’s decision to raise its key interest rate on Jan. 25.
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Canadian aid workers heading to Turkiye as Ottawa mulls whether to send relief team
Canadian humanitarian aid workers were en route to Turkiye on Wednesday in the wake of a devastating earthquake, while the federal government continued to mull whether to send a disaster relief team.
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'Crypto king' associate operated parallel Ponzi scheme while living lavish lifestyle, court documents allege
An associate of Ontario’s self-described “crypto king” was operating his own fraud scam parallel to the multi-million dollar Ponzi scheme, court documents allege.
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Keep Canada's doors open to Ukrainians, refugee groups urge Ottawa
Humanitarian groups that have been supporting Ukrainian refugees are calling on Ottawa to extend a special immigration program that allows people fleeing Ukraine to temporarily live, work and study in Canada.
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'Don't keep me in limbo': Ontario woman waiting for family's visitor visa over a year later
It’s been over a year since Faith Emenike filled out an application in hopes that her family would be able to visit her in Canada as she gave birth to her first child—but all she’s heard is radio silence.
World
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China has conducted spy balloon program for years: Pentagon
The Chinese balloon shot down off the South Carolina coast was part of a large surveillance program that China has been conducting for 'several years,' the Pentagon said Wednesday.
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Turkiye-Syria earthquake: How to give to rescue and recovery efforts
In the aftermath of the deadly earthquake that struck Syria and Turkiye, Canadians are donating money and supplies to rescue and relief efforts there. CTVNews.ca rounds up ways you can contribute to charities based in Canada and abroad.
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In earthquake rescues, noisy gear and digging, then silence
Key to detecting the faintest noise, which could be the sign of a survivor buried beneath rubble from Monday's quake in Turkiye and Syria. Among the wreckage of a collapsed 14-story building in the Turkish city of Adana, the shriek of an whistle pierced the noise every few minutes on Wednesday.
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North Korean leader Kim brings daughter to visit troops
North Korean leader Kim Jong Un brought his daughter to visit troops to mark the 75th founding anniversary of the country's army as he lauded the "irresistible might" of his nuclear-armed military, state media said Wednesday.
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MH17 inquiry: 'Strong indications' Putin OK'd missile supply
An international team of investigators said Wednesday it found 'strong indications' that Russian President Vladimir Putin approved the supply of heavy anti-aircraft weapons to Ukrainian separatists who shot down Malaysia Airlines flight MH17 in 2014 with a Russian missile.
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More than 200 discarded shotguns found in Oklahoma dumpster
An Oklahoma firearms dealer is under investigation after more than 200 shotguns were found in a dumpster outside a store he owns in suburban Oklahoma City, according to a search warrant by the federal Bureau of Alcohol, Tobacco and Firearms.
Politics
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'There are no words': Laval daycare bus crash prompts outpouring of condolences on Parliament Hill
Condolences are pouring in on Parliament Hill after a Laval, Que., city bus crashed into a daycare on Wednesday morning, with federal politicians of all stripes expressing their sympathies with the families affected and gratitude to the first responders.
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Poilievre says Conservatives would uphold federal-provincial health-care funding deals
Conservative Leader Pierre Poilievre says that if he becomes prime minister he would uphold the 10-year deals Prime Minister Justin Trudeau is looking to ink with provinces and territories that would inject $46.2 billion in new funding into Canada's strained health-care systems.
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Duclos to sit down with Ontario to negotiate bilateral health deal Thursday
Ontario will be the first province to sit down directly with the federal government to work on a one-on-one agreement for new health-care dollars.
Health
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Data shows 6 provinces see increase in average wait times at walk-in clinics in 2022
According to newly released data, six provinces had increased wait times for walk-in clinics in 2022, with Canadians waiting an average of 37 minutes before seeing a physician.
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Health-care workers have new hand-washing guidelines. Here's how you can apply them
The way respiratory viruses have circulated this fall and winter, most Canadians could probably benefit from a hand-hygiene refresher. Here are the latest hand-washing best practices to apply in your daily life.
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A sensor you draw with a pencil could be used for 'smart diapers,' contactless switches and respiratory monitors
We may soon be able to detect humidity levels, respiratory changes or a too-wet diaper, all with a new type of sensor — one created by drawing with a pencil on specially-treated paper.
Sci-Tech
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Balloons and drones among 768 Canadian UFO reports from 2022: researcher
Balloons and drones were among 768 reported UFO sightings in Canada last year, according to Winnipeg-based researcher Chris Rutkowski, who also found that eight per cent of all cases remained unexplained.
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Microsoft bakes ChatGPT-like tech into search engine Bing
Microsoft is fusing ChatGPT-like technology into its search engine Bing, transforming an internet service that now trails far behind Google into a new way of communicating with artificial intelligence.
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A sensor you draw with a pencil could be used for 'smart diapers,' contactless switches and respiratory monitors
We may soon be able to detect humidity levels, respiratory changes or a too-wet diaper, all with a new type of sensor — one created by drawing with a pencil on specially-treated paper.
Entertainment
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Netflix Canada begins password sharing crackdown
Netflix Canada is rolling out its long-anticipated plans to crack down on password sharing, saying it will begin notifying Canadian users today by email about limitations.
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Bail set at US$300K for former 'Dances With Wolves' actor in sex case
A judge on Wednesday set bail at US$300,000 for a former 'Dances With Wolves' actor charged in Nevada with sexually abusing and trafficking Indigenous women and girls. North Las Vegas Justice of the Peace Craig Newman said Nathan Chasing Horse must stay with a relative if he is released from jail.
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Premium tickets or discounts? Cineplex CEO 'experiments' with ticket price
While audiences rush back to theatres to catch 'Avatar: The Way of Water' on pricey Imax screens, the head of Cineplex Inc. says he's open to 'experiments' with cheaper tickets for some movies if they might lure back people who are staying home.
Business
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Bank of Canada releases details on interest rate decision for the first time
The Bank of Canada released a summary of its Governing Council meetings on Wednesday, providing the public and financial institutions with more insight into the central bank’s decision to raise its key interest rate on Jan. 25.
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Tim Hortons master franchisee in China enters deal to develop Popeyes in China
The parent company of the master franchisee of Tim Hortons coffee shops in China says it has signed a deal for the exclusive development of Popeyes in mainland China and Macau.
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S&P/TSX composite down in late-morning trading, U.S. stocks also lower
Losses in the base metals sector helped lead Canada's main stock index lower in late-morning trading, while U.S. stock markets also fell.
Lifestyle
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94-year-old baking phenom makes weekly treats for fellow seniors in Halifax
Winnifred Bowden, a 94-year-old living in Halifax, is baking up weekly treats for her fellow residents.
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Earnest or playful, that Valentine's card has a history
It was Valentine's Day 1917 in the Minnesota farming village of Lewiston, and Fred Roth -- a fourth grader -- seems to have come up with just the way to express his love for his sweetheart, Louise Wirt. He gave her a card.
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From $55 to $130: Which Canadians plan to spend the most this Valentine's Day?
As Valentine's Day approaches, many Canadians are preparing to celebrate by taking their loved ones to dinner and buying them gifts, but how much are we spending on this day coast to coast?
Sports
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LeBron James becomes NBA's all-time scoring leader, surpassing Kareem Abdul-Jabbar
LeBron James is the NBA's new career scoring leader. With a stepback jump shot with 10.9 seconds left in the third quarter against the Oklahoma City Thunder on Tuesday night, James pushed his career total to 38,388 points on Tuesday night and broke the record that Kareem Abdul-Jabbar held for nearly four decades.
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Will Ferrell, Alicia Silverstone star in Super Bowl ads
Big name advertisers from Netflix to Google are paying as much as US$7 million for a 30-second spot during the NFL's Super Bowl championship game on Sunday, in order to capture the attention of the roughly 100 million U.S. viewers who tune in each year.
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Surfer Bethany Hamilton says she won't compete in WSL events if new transgender rules are upheld
Surfer Bethany Hamilton says she won't compete at future World Surf League (WSL) events if it upholds its new policy on transgender athletes, saying she wants to see a different division created for transgender people to compete in.
Autos
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Renault, Nissan boards agree to equalize mutual stakes
Automakers Renault and Nissan on Monday formalized their reboot of a relationship that had grown rocky, culminating in the spectacular fall of top executive Carlos Ghosn, who had led successful turnarounds at both companies before his arrest and daring escape.
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Use of electric vehicles associated with fewer asthma-related ER visits on a local level, study shows
New research suggests that cutting fossil fuel emissions by adopting electric vehicles can improve air quality and potentially reduce respiratory problems in communities. But these benefits may not apply to all neighbourhoods in the same way.
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Super Bowl draws epic air show of private planes to Phoenix
Former NFL player Jim Bob Morris is heading to the Super Bowl in Phoenix from Bloomington, Illinois, in a newly refurbished set of wheels. His ride has new paint, new seating and even a new bathroom.
