World

Getting COVID-19 a second time was once considered a rarity. Now, with the more transmissible Omicron subvariant BA.2 spreading throughout the country, reinfections are becoming more common, immunology and infectious diseases experts say.…

Everyone's got an opinion on health care, especially now, as Omicron tests our various systems, exposing their vulnerabilities and overwhelming weaknesses in an avalanche of illness. Few, however, have Jenna Meloche's perspective. She's a…

The trajectory of Manitoba's fourth wave of the COVID-19 pandemic puts it on a path to potentially see hundreds of new daily cases and dozens of patients in intensive care units by the end of the year. Dr. Brent Roussin, chief provincial…

New modelling released today by the Public Health Agency of Canada (PHAC) suggests the number of COVID-19 cases could increase sharply in the coming weeks as the country grapples with another wave of delta infections and the highly…

A crowd of defiant anti-mandate demonstrators remained on the street near the Ambassador Bridge in Windsor, Ont., on Saturday night, hours after police had moved in to break up the days-long protest and clear some of the blockade. By…

The latest: 47 people arrested so far on Saturday for a total of 170. 53 vehicles towed and 22 licence plates seized since Friday. Ottawa police have used pepper spray on what they call assaultive behaviour. Police say they deployed…

As Canada's sixth wave of COVID-19 continues, hospitals caring for the country's youngest patients are facing both high patient volumes and high levels of staff off sick. This time of year, the Children's Hospital of Eastern Ontario (CHEO)…

Over the past month, thousands of Canadians have caught and recovered from the Omicron variant of COVID-19, with Canada's chief public health officer saying cases have likely peaked nationwide. People who have received two doses of the…

This is an excerpt from Second Opinion, a weekly health and medical science newsletter. If you haven't subscribed yet, you can do that by clicking here. COVID-19 may no longer be top of mind for Canadians, but there are still more cases…

Public Safety Minister Marco Mendicino warned Wednesday that those joining convoy protests in Ottawa risk being connected to "dangerous criminal activity." At the start of the week, the federal government invoked the Emergencies Act for…

Ontario is moving schools online for at least two weeks, temporarily closing indoor dining and gyms and pausing non-urgent medical procedures as it faces record-high case counts that, according to public health officials, threaten to…

This is an excerpt from Second Opinion, a weekly health and medical science newsletter. If you haven't subscribed yet, you can do that by clicking here. Figuring out where you're most at risk of catching COVID-19 is more challenging than…

The latest: More provinces have reduced isolation requirements for people who test positive for COVID-19 Friday in an effort to lessen staffing shortages as the Omicron variant continued to drive diagnoses at record rates. British…

Canada's newest premier says that in an ideal world, Ottawa would provide his territory with a blanket exemption from the carbon tax."I mean, ideally, a complete exemption for the territory is what we would hope for," said R.J. Simpson, …

Compared to urban dwellers, rural Canadians are more vulnerable to climate change in many ways and face extra challenges to adaptation, says a new federal government report.The "Canada in a Changing Climate" synthesis report, released late…

Most of the people who come to visit Debbie Nightingale's Ontario farm are lured in by a chance to get up close and personal with her herd of friendly goats. But some visit for more practical reasons: to charge their electric vehicles."We…

Residents of a new development in Ottawa-Gatineau are using industrial waste to keep their homes warm — specifically, waste heat from a local paper plant. Heat is being thrown away all around us.But it doesn't have to be — it can be…

Greg Dipple wants to turn the waste from nickel mines into large-scale carbon sinks.The idea, which he has developed over two decades, would help reduce the environmental impact of mining for metals that are highly sought after for electric…

Canada is expanding its evacuation of citizens from Haiti to include relatives and Canadian permanent residents, starting Wednesday if conditions allow.The government has also arranged for a charter flight for Canadians who pay a market…

Thousands of delegates representing 192 countries will spend the next two weeks in Montreal, hammering out a once-in-a-decade agreement that will aim to build a more sustainable relationship between humans and nature.The UN biodiversity…

Along with the massive recent manufacturing investments in electric vehicle (EV) technology and talks of a greener, decarbonized future, there are some not-so-green problems. In its latest New Energy Finance report, Bloomberg News predicts…

When the helicopter finally left the ground from a grass field in Haiti, David Rocheleau says he finally felt a sense of relief.After making it out of the embattled island nation plagued by anarchy and gang violence, the Quebec resident…

3 days agoNewsDuration3:44Around the world, people are experiencing heat waves, some of which are setting new records. The high temperatures have contributed to more wildfires in places like Canada and Greece, and, according to officials…

Environment Minister Steven Guilbeault says Canadians should pay attention to the action on climate change being taken by the international community — not the presence of hundreds of oil and gas representatives at COP27.In light of the…

This First Person column is written by Jason Charette, who lives in rural P.E.I. For more information about CBC's First Person stories, please see the FAQ. There was little chance I would get even a wink of sleep as I experienced…

This is a First Person column by Andrea Johancsik, who lives in Calgary. For more information about CBC's First Person stories, see the FAQ."It is up to you," our professor said to the dozen young faces in our university seminar.She thumped…

For anyone who has flown with United Airlines over the last year or so, you've likely seen the in-flight video promoting the company's first Chief Trash Officer — Oscar the Grouch.It's all part of a marketing campaign to promote the…

Ice fishing has been a part of Canadian winter culture for generations, but what happens if there's no ice?That concern is being shared by some anglers in southern Ontario.Typically, mid-January marks the beginning of the safe ice season.…