See what vehicle emission levels look like in 500 cities across the world
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.
Two children are dead and six others are injured after a Laval city bus crashed into a daycare Wednesday morning. The driver of the bus, a 51-year-old man, has been arrested and faces charges of homicide and dangerous driving, police say.
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.
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.
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.
The sacrifices female killer whales continue to make for their sons well after they are weaned is negatively affecting their reproductive health, according to new scientific research.
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.
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.
Many Canadians are experiencing strains caused by the increased cost of living and inflation. In his exclusive column for CTVNews.ca, contributor Christopher Liew shares some of the top credits and deductions that you may be able to claim on your income tax return to help you save money.
Two children are dead and six others are injured after a Laval city bus crashed into a daycare Wednesday morning. The driver of the bus, a 51-year-old man, has been arrested and faces charges of homicide and dangerous driving, police say.
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.
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.
A large group of Ottawa residents came out Wednesday to support a drag storytime event at the National Arts Centre, outnumbering protesters who were in opposition.
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.
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.
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.
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.
Republican Rep. George Santos positioned himself in a prime location for U.S. President Joe Biden's State of the Union address -- an uncomfortably prominent place for the embattled new lawmaker who faces multiple investigations and has acknowledged embellishing and even lying about his life story.
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.
Federal Health Minister Jean-Yves Duclos will ask the provinces today whether or not they intend to accept the new health-care funding deal tabled by the prime minister.
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.
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.
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.
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.
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.
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.
A judge on Wednesday set bail at $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.
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.
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.
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.
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?
A new ranking by global travel site Big 7 Travel has revealed the most Instagrammable places for people to visit in 2023, but only one Canadian location, Banff, is among them.
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.
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.
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.
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.
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.
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.
