So, why are the trees a little duller this year? "Stress is the name of the game," said @ualberta.bsky.social biology professor Janice Cooke. Hot, dry weather conditions across most of Canada have disrupted the transition from summer to fall www.theweathernetwork.com/en/news/natu...

They don't bite or sting, but the brown marmorated stink bug can cause big problems. www.theweathernetwork.com/en/news/natu...

GHG emissions from fossil fuel burning have pushed the acidity of the world's oceans past a safe threshold, scientists warn, threatening their ability to sustain shellfish and corals and help us in the fight against #ClimateChange. @pik-potsdam.bsky.social www.theweathernetwork.com/en/news/clim...

Regardless of where Tropical Depression Nine ultimately ends up, the future Imelda will still pose a threat to some degree across the southeastern United States this week. Recurvature of it will be influenced by outflow and track of #HurricaneHumberto. www.theweathernetwork.com/en/news/weat...

You can wear the weather in Canada, but one Ontario knitter took it a step further, turning a full year of temperatures into a cozy blanket. Jacklyn Hunter recorded all the temperatures in her hometown from Jan. 1 to Dec. 31. #ONwx www.theweathernetwork.com/en/news/life...

Rivers will be running high along the B.C. coast this weekend as an atmospheric river continues to bring drenching rains. #BCstorm #BCwx www.theweathernetwork.com/en/news/weat...

While #Humberto is expected to remain a major hurricane through early next week, the soon-to-be named storm, #Imelda, will pose a threat to the Bahamas and possibly the southeastern U.S., with the aforementioned's help, in the near future. www.theweathernetwork.com/en/news/weat...

🌱 Protecting biodiversity has never been more urgent. 🔗 Explore the full report here: wwf.ca/lprc2025 2/2

Even in Canada—where nature seems abundant—wildlife populations have been heading in the wrong direction. 📉 Our #LPRC2025 shows monitored populations of species have declined 10% on avg. since 1970, the sharpest drop yet. These losses are adding up. ➡️ Swipe through to see the stark picture. 1/2 🧵

Upside to Canada's extreme wildfires? Some Prairies canola farmers say they are seeing an unexpected benefit to the hazy summer skies––so long as they occur in July, when the crop is flowering. #ABwx #SKwx #MBwx www.theweathernetwork.com/en/news/weat...

We now have Tropical Storm Humberto. As the #Azores prepare for effects from #HurricaneGabrielle, the Atlantic Ocean wasted no time in creating another named storm: Humberto, which also may become a hurricane this weekend.

To mark #NationalTreeDay, I published my story on Canada's 2 Billion Trees (2BT) program. With help from NRC, I tackled a key question since trees are vital to the climate and biodiversity crises. We've seen extreme wildfire years since 2BT began. www.theweathernetwork.com/en/news/clim...

A large part of Alberta is under very high or extreme fire risk, according to a fire danger map from the Canadian Wildland Fire Information System, and a long stretch of dry and hot weather is to blame. #ABwx www.theweathernetwork.com/en/news/weat...

Super #TyphoonRagasa, the world's most powerful tropical cyclone this year, lashed Hong Kong with hurricane-force winds and torrential rain on Wednesday as the city shut down and more than 700 flights were cancelled. www.theweathernetwork.com/en/news/weat...

While it wouldn't take much rain to meet or exceed its dry September record, Calgary @flyyyc.bsky.social is on par with its 1908 total rainfall for the month. Could there be more to come? #ABwx www.theweathernetwork.com/en/news/weat...

Billions are lost from the Canadian economy each year from the impact of invasive species. @weathernetwork.bsky.social spoke to the @invsp.bsky.social to find out what invasive species are and what Canadians are encouraged to do to prevent their spread. www.theweathernetwork.com/en/news/natu...

Wildfire smoke from south of the border is expected to drift back into B.C. this week from blazes in Washington state, giving the West Coast province a few more smoky days. @50shadesofvan.bsky.social with the details/story. #BCwx #WAwx www.theweathernetwork.com/en/news/weat...

Switzerland's 5.4 km-long Gries Glacier retreating at alarming pace as #ClimateChange accelerates unprecedented ice melt across country: GLAMOS. Today, it is 3.2 km shorter than in 1880, with average ice thickness of 57 metres. @matthias-huss.bsky.social www.theweathernetwork.com/en/news/clim...

A new tool from Stantec is giving experts a way to better understand and predict dangerous landslides and debris flows, as #ClimateChange and wildfire activity raise the risks for communities living near steep slopes. www.theweathernetwork.com/en/news/clim...

#SuperTyphoonRagasa reached rarified, new heights on the weekend. It accumulated sustained winds of 270 km/h, making #Ragasa the strongest storm on Earth in 2025 so far. Great recap from @50shadesofvan.bsky.social and @rhythmthemet.bsky.social. www.theweathernetwork.com/en/news/weat...

Previously fishing ropes and nets, the pellets collected by @oceanlegacy.bsky.social give new life to marine #plastic waste choking the oceans surrounding Canada. "Plastic pollution is one of the biggest challenges facing our time," said Chloé Dubois. www.theweathernetwork.com/en/news/clim...

Along with the rainfall, Ontario could see its final severe thunderstorm threat of 2025 as a low-pressure system lifts across the province on Sunday. Blustery wind gusts topping 80 km/h, small hail and heavy downpours are the main risks. #ONstorm #ONwx www.theweathernetwork.com/en/news/weat...

A remarkable September dry spell is developing in Toronto, Ont., with 16 consecutive days without measurable precipitation––the longest September dry streak in eight years and longest in more than half a decade. @torontopearson.bsky.social #ONwx www.theweathernetwork.com/en/news/weat...

Did it feel like an unusually hot summer, Canada? A report released Wednesday by @climatecentral.org shows that from June to August, the average Canadian experienced 13 extra "risky heat" days, thanks to #ClimateChange. www.theweathernetwork.com/en/news/weat...

If you want a great way to bid adieu to summer, or say hello to fall, this might be it. About an hour north of Calgary sits the Bowden SunMaze––a sunflower maze that is having best year ever thanks to the weather. #ABwx www.theweathernetwork.com/en/news/natu...

With the official start of autumn looming and summer temperatures still in place across southern Ontario this week, extending the patio season for a little longer, when will the heat relent? #ONwx www.theweathernetwork.com/en/news/weat...

@utoronto.ca @uofttrashteam.ca Chelsea Rochman says 100- 1,000 microplastic pieces can be found in one fish. "Every organism that we look at, from sea birds to fish to zooplankton, eat microplastics, and that can be harmful." @vfennalvarado.bsky.social story www.theweathernetwork.com/en/news/clim...

@metrovancouverorg.bsky.social is "unlikely" to meet target to reduce greenhouse gas emissions by 2030, according to Friday report from staff. Target was to reduce GHG emissions by 45 per cent compared to 2010 levels, but they rose by seven per cent in 2023. www.theweathernetwork.com/en/news/clim...

An iceberg that was once labelled as the biggest in the world has been breaking apart in the Southern Ocean--to such an extent that it no longer holds that title, according to @cira-csu.bsky.social and @bas.ac.uk. Taking #A23a's spot at the top is #D15a. www.theweathernetwork.com/en/news/clim...

While our climate is currently too cold for it to spread outdoors, a recent @utoronto.ca report suggests the little fire ant, along with other non-native ant species currently living in Canadian buildings, could go outside as global temperatures rise. www.theweathernetwork.com/en/news/natu...

New heat wave is forecast in B.C’s valleys this week, with temperatures expected to reach or surpass 30-degree mark before fall arrives. Southern Interior will be especially warm, with a few traditionally hot locales expected to top 30-degree mark. #BCwx www.theweathernetwork.com/en/news/weat...

Recycle B.C. wants residents to do more to keep plastics from going to landfills or ending up as litter. Only 45 per cent of plastic packaging used by them is recovered for recycling. Recycle B.C.'s goal is to get recovery rate of all plastics to at least half. www.cbc.ca/news/canada/...

A newly released study in @nature.com warns that wildfire smoke can have widespread deadly consequences, suggesting smoke from Canada’s 2023 #wildfires may cumulatively contribute to more than 85,000 premature deaths worldwide. www.theweathernetwork.com/en/news/life...

With the sluggish first half of the #Atlantic hurricane season now over, what can we expect for the second? @nhc-atlantic.extwitter.link states that 60 per cent of the season's activity occurs after the Sept. 10 peak, highlighted in explainer shared on X. www.theweathernetwork.com/en/news/weat...

Aurora season is upon us, and it's off to a great start! Tonight, parts of Canada could get treated to a second round of the #NorthernLights after Sunday's stunning showing. www.theweathernetwork.com/en/news/scie...

Great shots of the #northernlights last night from my friend, Amy Alguire. Thanks for sharing! #ONwx #ShareYourWeather #Auroraborealis

New York City has given residents nearly six million pounds of compost this year. Food waste and yard trimmings converted into "black gold" to improve soil health, avoiding landfills. Compost also helps manage stormwater and keeps green spaces thriving. www.theweathernetwork.com/en/news/clim...

No specific data for Sask. cities, but @afilazzola.bsky.social's study suggested even under low-emission scenario, #ClimateChange could drive more than 150 more species into Winnipeg, while only about 30 species would leave it. @westernu.ca @usask.ca www.theweathernetwork.com/en/news/natu...

Cooler weather and a bit of rain have arrived after an unusually hot and dry summer in eastern Ontario, but they're not enough to reverse the effects of the severe drought plaguing many of the region's rivers. #ONwx @en.ottawa.ca @mvcauthority.bsky.social www.theweathernetwork.com/en/news/weat...

Less than an hour from Toronto, Elora, Ont., is a picturesque village perfect for an autumn day trip––whether it's for hiking, tubing, kayaking, fishing or other activity. @weathernetwork.bsky.social checked out some of the highlights. www.theweathernetwork.com/en/news/life...

Known as "carbon majors,” the study in @nature.com says the entities have contributed substantially to global warming and heat waves, and includes eight companies headquartered in Canada. Canadian firms ranked between 70 and 163 on list of 180 carbon majors. www.ctvnews.ca/climate-and-...

With Canada experiencing its second-worst wildfire season on record, @wmo-global.bsky.social said fires are playing significant role in creating unsafe air quality worldwide, also pinpointing the "complex interplay" the latter issue has with #ClimateChange. www.theweathernetwork.com/en/news/weat...

Pakistan on Wednesday declared a climate and agriculture emergency as authorities raced to rescue at least 1.6 million people at risk of massive flooding in downstream areas. #PakistanFloods2025 www.theweathernetwork.com/en/news/weat...

Smoke fills the skies above fires burning in British Columbia, Canada.

The wait is over. Our 2025 #FallForecast is here! 🍂🍁From golden leaves to chilly breezes, we’ve got your seasonal outlook covered coast to coast. Will autumn end with a freefall into winter? www.theweathernetwork.com/en/news/weat...

Comprehensive look at how Ontario's #fallfoliage could look this year from @50shadesofvan.bsky.social, Amandeep and I. Ontario’s fall foliage season this year is being shaped by a complex mix of weather and climate ingredients. How will it turn out? #ONwx www.theweathernetwork.com/en/news/weat...

Peak of this year's Atlantic hurricane season is outlier, with no named storms or active development regions in Sept. 10 outlook––first time in 16 years. Colorado State University advises "considerable caution" on writing off the rest of the season, though. www.theweathernetwork.com/en/news/weat...

Homeowners, buyers face rising risks from #climate disasters. Insurance experts say it is creating challenges. With more than $8.5B for insured losses, 2024 was most expensive year for weather-related damages in Canadian history: @insurancebureau.bsky.social www.theweathernetwork.com/en/news/weat...

The winds aloft during the past 48 hours have been lofting #wildfire smoke to the northeast, crossing the Rocky Mountains and following the jet stream. High-probability wildfire smoke returns to the South Coast due to an abrupt wind shift. #BCwildfire #BCwx www.theweathernetwork.com/en/news/weat...

Ten new tornadoes were just added to Canada's 2025 tally after additional twisters were confirmed by @westernuntp.bsky.social through reports, photos and satellite imagery. As of Sept. 8, 66 tornadoes (waterspouts included) have been verified, classified. www.theweathernetwork.com/en/news/weat...