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1,948 articles from CBC - Technology & Science News
How Alberta can get to zero emissions from the power sector while keeping the lights on (and costs down)
The end of coal power in Alberta is happening faster than many expected, with the last three plants expected to switch to natural gas by 2023. It'll be the biggest greenhouse gas reduction in Alberta's history. But we're not done yet, writes Blake...
Hazing project aims to frighten Edmonton's urban coyotes from the streets
An Edmonton research project is enlisting new recruits to harass urban coyotes in the...
Cold snap taking a toll on B.C.'s Anna's hummingbirds
The extreme cold that has gripped British Columbia's Lower Mainland for almost a week is making survival tough for the littlest bird in the...
WEDNESDAY 29. DECEMBER 2021
China says its space station had to dodge a collision with Elon Musk's Starlink satellites
China is urging the United States to protect a Chinese space station and its three-member crew after Beijing complained that satellites launched by Elon Musk's SpaceX nearly struck the...
Looking back at a booming year in space
Bob McDonald's blog: From low-Earth orbit to the far reaches of the universe, 2021 was a big year for...
Israel works to contain avian flu outbreak as thousands of migrating cranes die
A bird flu outbreak in northern Israel has killed at least 5,200 migratory cranes and forced farmers to slaughter hundreds of thousands of...
Why the Prairies get more sun than the rest of Canada
In Canada, the sunniest place to be, on average, is the Prairies. Why is that? We take a look at the factors keeping the sky clear in Alberta and...
Deadly floods left this German town in tatters. Now, it's trying to climate-proof itself
High waters are not uncommon in Dernau, Germany, but on July 14, 2021, they reached a record height of seven metres, as torrential rains turned the Ahr River into a forceful rush of water that swept away cars, homes, even major...
How an Ottawa company diverts food waste from landfills
An Ottawa-based company is trying to change the way households across the country dispose of food waste with innovative technology that speeds up the composting process to a matter of...
How people and cities can prepare for the effects of climate change
From simple upgrades you can buy at the hardware store to expert advice on tree health to stricter building codes, much can be done to prepare cities to cope with the new environmental...
Latest extreme cold warnings another hit for B.C. farmers facing brunt of climate change impacts
British Columbia's farmers are trying their best to cope as record-breaking cold and snowfall affect their livelihood after a year spent bearing the brunt of natural disasters in the...
MONDAY 27. DECEMBER 2021
Edward O. Wilson, biologist known as 'ant man,' dead at 92
Edward O. Wilson was a pioneering Harvard biologist who argued for a new vision of human nature in Sociobiology and warned against the decline of...
SUNDAY 26. DECEMBER 2021
Why do snowflakes have 6 points? A Halifax expert breaks down the science of snow
A chemistry professor at Dalhousie University says snowflakes and crystals form in the sky in different ways based on temperature and...
Canada wasn't prepared for natural disasters in 2021 — and next year threatens a repeat
After a year that saw deadly heat domes, massive wildfires and historic flooding, Ottawa is being pressed to do more to help Canada prepare for life in an increasingly volatile and dangerous...
FRIDAY 24. DECEMBER 2021
Meet the Coquitlam sisters who are trying to protect the environment one watercolour painting at a time
Two sisters in Coquitlam, B.C., have taken a skill taught to them by their grandmother and turned it into a way to try to help protect the environment and mitigate climate...
A former geologist imports a popular Chinese model to grow veggies year-round in Alberta's harsh climate
A former oil and gas geologist now runs an unconventional farm operation near Olds, Alta., that grows tomatoes, cucumbers, peppers, cabbages and other fresh vegetables year-round — and without using any conventional fossil fuel sources to keep his veggies nice and toasty during the harsh winter...
Fossilized tree discovered at N.S. cliff on display at Royal Ontario Museum
A 310-million-year-old fossilized tree that began its modern journey after falling out of a cliff in Nova Scotia is now on display in a new gallery in one of the busiest museums in the...
THURSDAY 23. DECEMBER 2021
Conservationists work to save dwindling population of bur oak trees
Bur oak is ecologically and culturally important in the province. Historically, it grows along the floodplains of the St. John River and its...
Don't Look Up warns of a possible 'planet-killer' hitting Earth. How likely is that?
It’s a scene we’ve seen on screen before: Giant object hurtles toward us, scientists ring alarms, everyone panics. But while it’s a common trope in movies, just how likely is it that we’ll experience an Earth-ending hit from a comet or asteroid in our...
Move over Hubble: Why the James Webb Space Telescope is such a big deal
Decades in the making, the James Webb Space Telescope is set to launch within the coming days. Astronomers have been eagerly anticipating this telescope — and with good...
WEDNESDAY 22. DECEMBER 2021
Amazingly well-preserved fossil egg shows link between dinosaurs and birds, scientists say
Scientists say an amazingly well-preserved fossil egg adds more evidence to the close links between dinosaurs and modern...
Dwindling Bathurst caribou herd showing signs of 'stabilization', says N.W.T. wildlife manager
The number of caribou in a herd that's been "critically low" since 2015 declined by nearly 2,000 animals in the past three years. One wildlife manager who helped with the study says the decline appears to be slowing...
Heat domes, wildfires and flooding: Get prepared now for the next emergency, experts say
Experts in emergency preparedness are hopeful that stories from the summer’s heat dome, wildfire evacuations and November's catastrophic floods will provide motivation for people to take...
Smell something funky? UBC researchers want to borrow your nose
A group of researchers at the University of British Columbia are asking Metro Vancouver residents to share their accounts of the various odours they smell in the region. The information is being collected for their Smell Vancouver project, a study into the connections between odour and air...
How a future U.S. president helped avert nuclear disaster near Canada's capital
In 1952, an experimental nuclear reactor in Chalk River, Ont., about 180 kilometres northwest of Ottawa, partially melted down, becoming the world's first nuclear reactor incident. Disaster was averted, in part, with help from future U.S. president Jimmy...