Keeping predators alive helps entire ecosystems withstand climate change: study

Predators are an important part of any ecosystem, and new research suggests they also play a key role in helping the environment cope with the effects of climate change.

Researchers in Japan made this discovery while simulating the effects of heat waves on aquatic ecosystems.

They soon realized that ecosystems without predators were much more likely to suffer significant species loss than those with predators.

What led them to this conclusion? CTV News Science and Technology Specialist Dan Riskin has the answer in this week's Riskin Report.

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CTVNews.ca Top Stories

Annual inflation rate increased to 2.9% in March

Statistics Canada says the annual inflation rate ticked higher in March compared with February, boosted by higher prices for gasoline.

Freeland to present 2024 federal budget, promising billions in new spending

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Ontario woman charged almost $7,000 for 20-minute taxi ride abroad

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Worker seriously injured after fall at Montreal Olympic Stadium

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Tim Hortons launches pizza nationally to 'stretch the brand' to afternoon, night

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Despite weather glitch, the Paris Olympics flame is lit at the Greek cradle of ancient games

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Step inside Emma Roberts' sumptuous L.A. home

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NASA confirms mystery object that crashed through roof of Florida home came from space station

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Hazard ahead: Are cuts at Tesla a warning sign for the EV market in Canada?

Tesla has hit a series of roadblocks, including increased competition and declining sales. The company announced Monday it is slashing 10 per cent of its global workforce.

Canada

Annual inflation rate increased to 2.9% in March

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OPP investigating after human remains found in Ottawa River in Clarence-Rockland

Ontario Provincial Police are investigating after human remains were found in the Ottawa River in Clarence-Rockland on Monday.
Rural Manitoba council may be dissolved after mass exodus of elected officials: province

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Worker seriously injured after fall at Montreal Olympic Stadium

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Sask. promising RCMP money if they can recruit officers

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Ontario woman charged almost $7,000 for 20-minute taxi ride abroad

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World

Fire rages through the 17th-century Old Stock Exchange in Copenhagen, toppling the iconic spire

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Tensions rise in Australia after a bishop and priest are wounded in a knife attack in a church

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On a China visit, the German chancellor says Russia's invasion of Ukraine threatens global security

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What's at stake for Canada after Iran's unprecedented attack on Israel

Following the Iranian missile and drone strikes against Israel over the weekend, Canada should take the threat of Iran and potential escalation of the conflict seriously, one global affairs analyst says.
190 decaying bodies were found at a Colorado funeral home. Owners charged with COVID fraud of US$880K

A couple who owned a Colorado funeral home where authorities last year discovered 190 decaying bodies were indicted on federal charges that they misspent nearly US$900,000 in pandemic relief funds on vacations, cosmetic surgery, jewelry and other personal expenses, according to court documents unsealed Monday.
Body of 4th Baltimore bridge collapse victim recovered as feds start criminal probe and others launch new investigations

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Politics

Freeland to present 2024 federal budget, promising billions in new spending

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Joly to Israel: 'Take the win' in thwarting Iran's weekend attack, don't retaliate

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Singh defends NDP carbon price position -- without directly supporting a consumer levy

The federal leader of the New Democrats is insisting his party's position on carbon pricing remains unchanged.

Health

What does science say about the ingredients in functional beverages?

Functional beverages -- or drinks promoted as offering mental or physical benefits beyond hydration -- are growing in popularity around the world. Hundreds of companies have jumped into the market, hoping to get some buzz with trendy and sometimes unfamiliar ingredients.
Ontario may not meet LTC direct care target due to staff shortages: document

Difficulties hiring and retaining enough nurses and personal support workers for long-term care homes could mean the Ontario government may not meet its target for the amount of hands-on care residents receive, the minister responsible for the sector was warned.
Exercise changes the brain in a way that helps heart health, especially for people with depression

It’s common knowledge that exercise is good for your mental health and your heart health — and now a new study suggests that all three are working together.

Sci-Tech

NASA confirms mystery object that crashed through roof of Florida home came from space station

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Your morning coffee may be hundreds of thousands of years old

Using genes from coffee plants around the world, researchers built a family tree for the world's most popular type of coffee, known to scientists as Coffea arabica and to coffee lovers simply as 'arabica.'
NASA looks for new ways to return Martian samples to Earth due to budget cuts

NASA is seeking innovative methods that could help retrieve samples collected by the Perseverance rover on Mars in the future.

Entertainment

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Grimes apologizes for disastrous Coachella set

Canadian singer Grimes apologized to fans on Saturday after her Coachella set earlier that evening was beset by technical issues that caused her to scream into the microphone in frustration.
'Rust' armourer gets 18 months in prison for fatal shooting by Alec Baldwin on set

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Business

Annual inflation rate increased to 2.9% in March

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Tim Hortons launches pizza nationally to 'stretch the brand' to afternoon, night

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B.C. fraudster who lured investors with promise to help homeless fined by securities regulator

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Lifestyle

'It was a special game': Edmonton pinball player celebrates high score and shout out from game designer

A high score on a Foo Fighters pinball machine has Edmonton player Dave Formenti on a high.
Celebrity food critic Keith Lee blown away by Toronto visit

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Tips for saving on credit cards and shopping

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Sports

Oilers bite Sharks 9-2, McDavid earns 100th assist

Connor McDavid achieved a rare feat as his team was administering a rare beating.
Torch and sandals: What to know about the flame-lighting ceremony in Greece for the Paris Olympics

Here's a look at the workings and meaning of the elaborate flame-lighting ceremony held among the ruins of Ancient Olympia ahead of each modern Olympiad.
Despite weather glitch, the Paris Olympics flame is lit at the Greek cradle of ancient games

The flame that is to burn at the Paris Olympics was kindled Tuesday at the site of the ancient games in southern Greece.

Autos

General Motors to move Detroit HQ to new downtown building, plans to redevelop Renaissance Center

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Nissan says it will make next-generation EV batteries by early 2029

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Tesla to lay off more than 10 per cent of staff globally as sales fall

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B.C. woman facing steep medical bills, uncertain future after Thailand crash

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As B.C. marks grim anniversary, advocates call for more urgent action

Last summer, Jessica Michalofsky ran from Nelson to Victoria, raising awareness about the toxic drug crisis that claimed her son Aubrey’s life. Nearly a year later, she's disappointed by the lack of movement on the crisis, as more families lose loved ones.
Diverging views emerge on Vancouver home construction outlook

A Vancouver real estate services firm is pushing back against the widely held view that not enough homes are being built in Metro Vancouver.

Toronto

Ontario woman charged almost $7,000 for 20-minute taxi ride abroad

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Striking food service workers at Toronto's Pearson airport say meals on some flights may be impacted by labour action

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Tim Hortons launches pizza nationally to 'stretch the brand' to afternoon, night

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Calgary

Academics, rural municipalities raise concerns about Alberta's Bill 18

Alberta legislation pitched to protect provincial priorities could slow down grant funding and allow federal money to be spent elsewhere, say officials representing rural municipalities and faculty members at post-secondary institutions.
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Ottawa

Freeland to present 2024 federal budget, promising billions in new spending

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OPP investigating after human remains found in Ottawa River in Clarence-Rockland

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Kingston, Ont.'s Aaliyah Edwards drafted into WNBA

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Montreal

Recycling Montreal's Olympic Stadium roof: international competition collects bids

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Montreal Canadiens recall Logan Mailloux from AHL

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3 people arrested in Quebec City for assault, threats, forcible confinement

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Edmonton

Tickets issued after large, unleashed dog spotted in front of home where boy was killed by dogs

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Oilers bite Sharks 9-2, McDavid earns 100th assist

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Atlantic

Battery fires a concern for Maritime departments as numbers grow

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2 people assaulted with chemical irritant at Saint John encampment: police

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Freeland to present 2024 federal budget, promising billions in new spending

Canadians will learn Tuesday the entirety of the federal Liberal government's new spending plans, and how they intend to pay for them, when Deputy Prime Minister and Finance Minister Chrystia Freeland tables the 2024 federal budget.

Winnipeg

Rural Manitoba council may be dissolved after mass exodus of elected officials: province

A mass exodus of elected officials from a rural Manitoba municipality has put the community in limbo and may force the province to dissolve what's left of the crumbling council.
Overland flood warning issued for parts of Manitoba

An approaching low-pressure system that could bring 50 millimetres of mixed precipitation has triggered a flood warning for parts of Manitoba.
Lights, camera, action! Extras casting underway for Ke Huy Quan movie in Winnipeg

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Regina

Sask. NDP, advocates call for full reopening of Moose Jaw hyperbaric chamber

Moose Jaw's hyperbaric chamber has now partially resumed services after being discontinued in 2021 due pandemic related staffing shortages. However, only one patient is currently being treated leading to criticism over a perceived lack of service.
'A sense of urgency': Sask. man accused of abducting daughter calls himself to the stand during trial

Michael Gordon Jackson, the man on trial after being charged with contravention of a custody order for allegedly abducting his daughter in late 2021 to prevent her from getting a COVID-19 vaccine, called himself to the stand Monday.
Regina's Jon Ryan to retire a Seahawk

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Kitchener

Some Delhi residents told to shelter in place, keep children home from school

Ontario Provincial Police (OPP) are asking some people in Delhi to stay in their homes as officers conduct an investigation.
Driveway paving scammers reported in Waterloo Region

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Police search home after man injured with explosive

Police are searching a residence just east of downtown Guelph after a man went to hospital with injuries from a homemade explosive device.

Saskatoon

Saskatoon Muslim community mourns teen killed in high-speed crash

Friends are raising money for the grieving family of a 16-year-old Saskatoon boy who was killed in a high-speed crash that injured two other teens on Sunday morning.
Sask. struggling to recruit and retain specialists, doctor says

Dr. Ana-Maria Bosonea is the only allergist in Saskatoon seeing children under 12, and now she’s moving to Alberta.
Saskatoon residents can expect some odour from city landfill as gas well project expands

The city says there may be some odour emanating from the landfill in the coming weeks as crews dig new gas wells and piping to collect more methane from decomposing waste.

Northern Ontario

Ontario woman charged almost $7,000 for 20-minute taxi ride abroad

An Ontario woman was shocked to find she’d been charged nearly $7,000 after unknowingly using an unauthorized taxi company while on vacation in January.
Northern Ont. man acquitted of murder on James Bay coast

A northern Ontario family is devastated after a jury found a Moose Factory man not guilty of a 2021 murder.
Body of 14-year-old boy pulled from Lake Ontario, police say he drowned while swimming

The body of a 14-year-old boy has been pulled from Lake Ontario after police say he drowned while swimming near Ashbridges Bay Park on Sunday night.

London

Students displaced following house fire

A number of students have been displaced after a house fire in east London near Fanshawe College. Crews were called to the scene on Prosperity Court late Monday night.
Fire hydrant struck in Sarnia, traffic reduced to one lane

All lanes of traffic have reopened after a vehicle struck a fire hydrant in Sarnia on Monday. It happened in the area of Michigan Avenue and Blackwell Road and caused officials to reduce eastbound traffic to one lane.
Traffic coming to a crawl on Main Street Exeter

Construction will slow down traffic moving through Exeter for the rest of the year. A reconstruction of the community's main street at the north end of town is underway.

Barrie

Kashechewan First Nation preparing for mass evacuation amid flood threat

The residents of Kashechewan First Nation are in a race against time, preparing for a mass evacuation as the relentless threat of flooding from the Albany River looms closer.
Car crash sends two women to hospital

Two women were seriously injured after a car crash in Orangeville.
Family of man killed in Wasaga Beach crash seeks justice as case sees more delays

It's been more than two years since Jim Lynne died in a crash along Mosley Street in Wasaga Beach.

Windsor

Porch pirate suspect sought in Walkerville area

Windsor police are looking for a woman after a parcel was taken from a home in the 400 block of Chilver Road.
First Canadian tornado of 2024 confirmed in Essex County

The first Canadian tornado of 2024 hit Essex County in March, says a report from the Northern Tornadoes Project.
Windsor ranks high on dopest cities list

A new ranking by food delivery platform Uber Eats puts Windsor among the top cities in the province for ordering cannabis.

Vancouver Island

B.C. woman facing steep medical bills, uncertain future after Thailand crash

The family of a Victoria, B.C., woman who was seriously injured in an accident in Thailand is pleading for help as medical bills pile up.
B.C. fraudster who lured investors with promise to help homeless fined by securities regulator

A Vancouver woman whose company duped investors by promising big returns on real-estate deals that would house the homeless has been ordered to pay nearly $626,000 after the British Columbia Securities Commission deemed the operation a Ponzi scheme.
Arctic and offshore patrol vessel HMCS Max Bernays arrives in CFB Esquimalt

The HMCS Max Bernays made its way into its new home at CFB Esquimalt on Monday after a long journey from Halifax.

Kelowna

B.C. to add 240 complex-care housing units throughout province

British Columbia is planning to add 240 new units to its complex-care housing program, providing homes for people with mental-health and addictions challenges that overlap with other serious conditions.
Evacuation of Kelowna, B.C., apartment near construction site extended for two weeks

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2 men injured after 'road rage' incident with Dodge Ram driver, Kelowna RCMP say

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Lethbridge

Phillips calls for funding to be reinstated to Lethbridge Elder Abuse Response Network

Lethbridge West MLA Shannon Phillips is calling on the province to reinstate funding for the Lethbridge Elder Abuse Response Network.
Southern Alberta could be alive with the sound of rattlesnakes this weekend: expert

If you’re planning to head to the coulees this weekend to enjoy the nice weather, don’t forget to look down.
Lethbridge police team up with campaign to urge drivers to slow down

With the weather starting to feel like spring is really here, more kids will likely be outside enjoying the sunshine and warm temperatures, which organizers of the Slow Your Roll campaign say is a perfect time to re-launch the campaign.

Sault Ste. Marie

Sault Downtown Plaza sees big winter turnout

The City of Sault Ste. Marie is expecting a busy summer at the Downtown Plaza. City officials say the plaza is coming off a successful first winter season, which saw large crowds gathering at the outdoor rink.
Soo Greyhounds return home to face Saginaw

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Thunder Bay police discuss charges against former chief

Thunder Bay Police Service held a news conference Monday afternoon to discuss the misconduct investigation that led to criminal charges being laid against the city's former police chief.

N.L.

Protest averted as Newfoundland and Labrador premier helps reach pricing deal on crab

A pricing agreement has been reached between crab fishers and seafood processors that will allow for Newfoundland and Labrador's annual crab fishery to get started.
A fish harvester's protest threatens Newfoundland and Labrador's crab season -- again

Longliners across Newfoundland and Labrador are tied up once again, as a new protest by the province's fish harvesters threatens to derail the crab fishery for a second straight year.
Unique photo exhibit put cameras in the hands of survivors of domestic and sexual violence

A unique photo exhibit is putting cameras into the hands of survivors of domestic and sexual violence in Newfoundland and Labrador.