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
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.
Extreme cold warnings spread across Canada as arctic chill approaches Eastern provinces
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.
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.
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.
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.
'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.
Six more weeks of winter? Here are the predictions of groundhogs across North America
Will we see six more weeks of winter, or an early spring? Here’s what some of the groundhogs (and one human) have predicted so far, from coast-to-coast.
Ukraine's new weapon will force a Russian shift
The United States has answered President Volodymyr Zelenskyy's plea for rockets that can strike deep behind the front lines of the nearly year-long conflict with Russia. Now Russian forces will need to adapt or face potentially catastrophic losses.
Former Wagner commander says he is sorry for fighting in Ukraine
A former commander of Russia's Wagner mercenary group who fled to Norway told Reuters he wanted to apologize for fighting in Ukraine and was speaking out to bring the perpetrators of crimes to justice.
Canada
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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.
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Manitoba Liberal leader wants premier suspended for allegedly violating conflict of interest rules
A Manitoba judge is being asked to decide whether Premier Heather Stefanson violated conflict of interest rules, as alleged by the leader of Manitoba's Liberal Party.
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Extreme cold warnings spread across Canada as arctic chill approaches Eastern provinces
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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TREND LINE
TREND LINE | Canada's health care crisis: Who's accountable, and how can we fix an overburdened system?
On CTVNews.ca and YouTube: Health journalist Avis Favaro joins our Trend Line podcast, for an in-depth episode dedicated to the growing crises facing the Canadian health-care system.
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Extreme cold expected across central Ontario: Environment Canada
It's about to get extremely cold across central Ontario, according to Environment Canada.
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'The eyes of the world': Trial starts for Calgary pastor charged in border blockade
A court has seen video of a Calgary pastor encouraging truckers to keep blocking the Canada-U.S. border to protest COVID-19 restrictions because the world was watching.
World
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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.
-
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.
-
Former Wagner commander says he is sorry for fighting in Ukraine
A former commander of Russia's Wagner mercenary group who fled to Norway told Reuters he wanted to apologize for fighting in Ukraine and was speaking out to bring the perpetrators of crimes to justice.
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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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Biden's handwritten notes part of classified docs probe
U.S. President Joe Biden is a man who writes down his thoughts. And some of those handwritten musings over his decades of public service are now a part of a special counsel's investigation into the handling of classified documents.
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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.
Politics
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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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Lametti says Tories exploiting tragedies 'to score political points' on bail reform
Canada's justice minister accused Pierre Poilievre's Conservatives Thursday of using tragedies such as the killing of a young Ontario Provincial Police officer 'to try to score political points.'
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Liberals table bill delaying assisted dying expansion to March 2024
The federal government is seeking to delay the extension of assisted dying eligibility to people whose sole condition is a mental disorder until March 17, 2024. Justice Minister David Lametti introduced a bill seeking the extension in the House of Commons on Thursday.
Health
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TREND LINE
TREND LINE | Canada's health care crisis: Who's accountable, and how can we fix an overburdened system?
On CTVNews.ca and YouTube: Health journalist Avis Favaro joins our Trend Line podcast, for an in-depth episode dedicated to the growing crises facing the Canadian health-care system.
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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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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.
Sci-Tech
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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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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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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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'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.
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New opera by Haitian-Canadian composer puts Black performers, stories in spotlight
When the opera 'La Flambeau' premieres next week in Montreal, Black performers will be front and centre in an artistic medium where they have historically been under-represented.
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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Tech sector helps lift S&P/TSX composite, U.S. stock markets mixed
Canada's main stock index shored itself up against losses in the energy sector for the second day in a row, while U.S. markets were mixed.
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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.
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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Canada Post honours Chloe Cooley with stamp for Black History Month
As Black History Month gets underway, Canada Post has unveiled a new stamp honouring Chloe Cooley, a young Black woman who was known to challenge her enslavement in the late 18th century.
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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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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.
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Video of Sask. hockey rink's 95-year-old staircase grabs national attention online
One of Saskatchewan’s oldest hockey rinks has garnered national attention for its unique features and unusual design.
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Young hockey players who fled war in Ukraine arrive in Quebec for international peewee tournament
A group of boys who fled the war in Ukraine arrived in Quebec City Wednesday for a hockey tournament that brings players together from around the world.
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.
