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
NORAD tracking high-altitude surveillance balloon detected over the U.S., Canada says
The Department of National Defence says Canada is working with the United States to protect sensitive information from foreign intelligence threats after a high-altitude surveillance balloon was detected.
Nearly 6 in 10 public transit users say they feel less safe commuting after string of violent attacks
After a string of violent attacks on public transit in Toronto and other cities, a new survey has found that nearly six in 10 public transit users in Canada say they feel less safe or somewhat less safe while commuting.
Migrant workers sneak secret menus into Canadian restaurants to expose exploitation
Hundreds of customers who scan QR codes for restaurant menus across Canada are being surprised by secret menus instead, revealing the hidden costs behind the food they eat.
Woman says Russian Embassy denies her consular services, cites Facebook page
A Russian woman says she has been denied consular services by her country's embassy in Canada over claims her Facebook activity poses a security threat.
Why Delissio pizzas and other Nestle products will disappear from Canadian stores
Nestle Canada says it is winding down its frozen meals and pizza business in Canada over the next six months. The four brands that will no longer be sold in the freezer aisle at Canadian grocery stores are Delissio, Stouffer's, Lean Cuisine and Life Cuisine.
W5 Investigates
W5 Investigates | Lebanese-Canadian family of 3-year-old killed in Beirut blast still searching for accountability, answers
More than two years after downtown Beirut was levelled by an explosion, a Lebanese-Canadian family of a 3-year-old girl killed in the blast is still searching for answers. Watch W5's documentary 'The Explosion' on CTV at 7 p.m.
Would you pay $300 a year for quick access to a nurse? Dealing with demand, Ontario doctors get creative
Paid subscriptions to on-demand care are among the many strategies primary health-care providers in Ontario are adopting in order to meet increased demand for access to doctors in the past year, while also managing staffing shortages.
Provincial and territorial finance ministers to meet in Toronto
Deputy Prime Minister and Finance Minister Chrystia Freeland is hosting an in-person meeting today with the provincial and territorial finance ministers in Toronto.
Criticism of Trudeau increases in Western Canada: poll
A new survey conducted by Research Co. reveals that more people in Western Canada now support a change in the federal government compared to a similar poll from June.
Canada
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Growing dog populations an issue in some remote communities, shelters under pressure
Phoebe Sutherland, the owner of an animal rescue on another Ontario First Nation and two animal rescues that take in dogs from northern areas say stray dogs are a significant issue in some remote communities -- a situation that's adding to pressure on animal shelters, which are seeing demand for adoptions drop at the same time.
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'Brutally cold': Extreme weather warnings spread across Canada
According to Environment and Climate Change Canada, as of Thursday morning there were extreme cold or winter storm warnings active from coast to coast, with the harshest extreme cold warnings stretching from northern Alberta all the way to Nova Scotia.
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NORAD tracking high-altitude surveillance balloon detected over the U.S., Canada says
The Department of National Defence says Canada is working with the United States to protect sensitive information from foreign intelligence threats after a high-altitude surveillance balloon was detected.
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Woman says Russian Embassy denies her consular services, cites Facebook page
A Russian woman says she has been denied consular services by her country's embassy in Canada over claims her Facebook activity poses a security threat.
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Are magic mushroom stores the next pot shops?
Magic mushroom dispensaries are popping up in cities across Canada, with customers ranging from those looking for treatment for depression or PTSD to people wanting to 'micro-dose' a small amount of psilocybin, the hallucinogenic compound in magic mushrooms. But while the situation is in some ways reminiscent of when cannabis retailers set up shop before marijuana was legalized in 2018, Health Canada says there are no plans to legalize or decriminalize psilocybin products.
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Nearly 6 in 10 public transit users say they feel less safe commuting after string of violent attacks
After a string of violent attacks on public transit in Toronto and other cities, a new survey has found that nearly six in 10 public transit users in Canada say they feel less safe or somewhat less safe while commuting.
World
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China says it's looking into report of spy balloon over U.S.
China said Friday it is looking into reports that a Chinese spy balloon has been flying in U.S. airspace and urged calm, adding that it has 'no intention of violating the territory and airspace of any sovereign country.'
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N.J. councilwoman found shot to death outside of her home
A New Jersey borough councilwoman was found shot to death in an SUV outside of her home, authorities said. Sayreville Councilwoman Eunice Dwumfour, 30, was found at around 7:20 p.m. Wednesday.
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Q & A with a Russian warfare expert: 'This is not a proxy war' with the U.S.
With the anniversary of Ukraine's invasion by Russia around the corner, CTV News sat down with a Russian warfare expert to discuss how he sees the conflict playing out and what happens next.
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Police: 'High chance' of Hollywood mass shooting prevented
A 'high chance' of a mass shooting in Hollywood was thwarted Tuesday by police seizing a cache of guns and ammunition in a high-rise apartment where several rifles were pointed toward a nearby park, the Los Angeles Police Department said.
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W5 Investigates
W5 Investigates | Lebanese-Canadian family of 3-year-old killed in Beirut blast still searching for accountability, answers
More than two years after downtown Beirut was levelled by an explosion, a Lebanese-Canadian family of a 3-year-old girl killed in the blast is still searching for answers. Watch W5's documentary 'The Explosion' on CTV at 7 p.m.
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Chinese spy balloon spotted over Western U.S., Pentagon says
The U.S. is tracking a suspected Chinese surveillance balloon that has been spotted over U.S. airspace for a couple days, but the Pentagon decided not to shoot it down due to risks of harm for people on the ground, officials said Thursday.
Politics
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Provincial and territorial finance ministers to meet in Toronto
Deputy Prime Minister and Finance Minister Chrystia Freeland is hosting an in-person meeting today with the provincial and territorial finance ministers in Toronto.
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Health Canada 'exploring' policy change as ministers say sperm donor screening should be 'non-discriminatory'
Health Canada is 'exploring' whether a federal policy that restricts gay and bisexual men from donating to sperm banks in Canada should change, after CTV News exclusively reported on Wednesday that a gay man is taking the federal government to court over it.
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Senate passes Liberals' controversial online streaming act with a dozen amendments
Big tech companies that offer online streaming services could soon be required to contribute to Canadian content as a controversial Liberal bill gets one step closer to becoming law.
Health
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Would you pay $300 a year for quick access to a nurse? Dealing with demand, Ontario doctors get creative
Paid subscriptions to on-demand care are among the many strategies primary health-care providers in Ontario are adopting in order to meet increased demand for access to doctors in the past year, while also managing staffing shortages.
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Ontario in full support of feds' national health-care data push
Ontario fully supports the federal government's push to make health-care funding contingent on data reporting, the province said Thursday as it announced a plan to boost access to primary care doctors.
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As sexual assault rates rise, provinces face shortages of specially trained nurses
As rates of sexual assault climb across Canada, nursing experts say there is a shortage of specially trained forensic nurses to properly care for victims.
Sci-Tech
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China says it successfully cloned 3 highly productive 'super cows'
Chinese scientists have successfully cloned three 'super cows' that can produce an unusually high amount of milk, state media reported, hailing it as a breakthrough for China's dairy industry to reduce its dependence on imported breeds.
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After a radioactive capsule went missing in Australia, could the same happen in Canada?
After a tiny radioactive capsule went missing in the Australian outback, an expert in Canada says the likelihood of the same happening in this country is unlikely, given our strong regulations governing the handling of radioactive materials.
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Halifax university's technology to help U.S. find missing soldiers on ex-battlefields
An archeological team from Saint Mary's University will travel to France this summer to use ground-penetrating radar and other technology to assist a United States defence agency recover and identify military personnel missing since the Second World War.
Entertainment
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Movie reviews: 'Knock at the Cabin' wastes an interesting cast and premise with a hollow story
This week, pop culture critic Richard Crouse reviews new movies: 'Knock at the Cabin,' '80 for Brady,' 'Alice, Darling.'
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'Dances With Wolves' actor appears in court in abuse probe
A former 'Dances With Wolves' actor accused of sexually abusing Indigenous girls and leading a cult must remain held without bail until his next court hearing, a judge ordered Thursday morning.
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'I didn't know my sexuality was an option': Canadian director creates queer film for younger audiences
A new queer film about to debut in Toronto focuses on the positive representation of younger people who are confident in their sexuality.
Business
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Why Delissio pizzas and other Nestle products will disappear from Canadian stores
Nestle Canada says it is winding down its frozen meals and pizza business in Canada over the next six months. The four brands that will no longer be sold in the freezer aisle at Canadian grocery stores are Delissio, Stouffer's, Lean Cuisine and Life Cuisine.
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Food prices set to increase -- again -- as blackout on price hikes ends at some stores
Higher grocery prices are expected to hit stores across Canada soon as a blackout on price increases over the holiday season comes to an end.
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Charlottetown, Sydney ports anticipate record-breaking cruise ship season
Two Maritime port cities anticipate 2023 to be a record-breaking year for cruise ship traffic.
Lifestyle
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Looking for love online? New study shows mixed experiences
Whether looking for love or a casual encounter, 3 in 10 U.S. adults say they have used a dating site or app -- with mixed experiences, according to a Pew Research Center study out Thursday.
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The 100 most romantic restaurants for 2023, according OpenTable
As the most romantic day of the year approaches, Canada's 100 most romantic restaurants for 2023 have been revealed for those who might consider booking a table for Valentine's Day dinner.
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Ontario paramedic breaks down during emotional final radio call before retirement
A paramedic signing off for duty for the last time got choked up and teary-eyed during his final radio call to colleagues.
Sports
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Canada's Kingsbury continues torrid pace with World Cup silver in moguls
Canadian moguls star Mikael Kingsbury continued his torrid pace at the World Cup season earning a silver medal on Thursday.
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Kyrgios pleads guilty to assault, has no conviction recorded
Australian tennis star Nick Kyrgios apologized for shoving a former girlfriend to the ground two years ago after he escaped conviction Friday on a charge of common assault.
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Soccer star Andrea Neil calls for judicial inquiry into sports abuse in Canada
A former captain of Canada's women's soccer team is calling for the federal government to launch a full judicial inquiry into abuse in sports across the country.
Autos
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Edmunds: Why you need winter tires
A good winter tire will always outperform an all-season tire in snowy, icy driving conditions and be the safer alternative. Edmunds' experts explain the importance of winter tires and offer advice on when to use them and how much you should pay.
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U.S. Justice Department seeks Tesla automated driving documents
The U.S. Justice Department has requested documents from Tesla related to its Autopilot and 'Full Self-Driving' features, according to a regulatory filing.
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Will Europe's ban on Russian diesel hike global fuel prices?
Europe is taking another big step toward cutting its energy ties with Russia, banning imports of diesel fuel and other products made from crude oil in Russian refineries. The European Union ban takes effect Feb. 5 following its embargo on coal and most oil from Russia.
