Climate and environment news and analysis | CTV News

MORE CLIMATE STORIES

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  What you can do to try to stay safe when a tornado hits, and also well beforehand

  Record warmth this winter fueled a deadly tornado outbreak across parts of Ohio, Kentucky, Indiana and Arkansas in March. Then tornadoes killed multiple people and injured at least 35 others in Iowa. Recent twisters have even struck in places unaccustomed to them, such as one near Los Angeles in 2023 that tore apart rooftops and injured one person.

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  Rain, snow hit parts of southern Manitoba as system moves north from the U.S.

  Parts of southern Manitoba have been hit by a lot of rain, and even snow, as a low-pressure system moves in from the United States.

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  Hear the sounds of cicadas as trillions emerge in the U.S.

  Two broods of periodical cicadas are emerging in the United States simultaneously for the first time since 1803. Here is what their deafening buzz sounds like.

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  'Heat dome' leads to sweltering temperatures in Mexico, Central America and U.S. South

  Extreme heat in Mexico, Central America and parts of the U.S. South has left millions of people in sweltering temperatures, strained energy grids and resulted in iconic Howler monkeys in Mexico dropping dead from trees.

• Thunderstorms produce lightning, downpours; risk continues into Thursday evening and night

  The combination of warm, humid air that has built up this week along with an arriving cold front from the west has triggered rounds of thunderstorms in the Maritimes.

• Hundreds of people suffer heatstroke in Pakistan, and dangerous heat is forecast to stay a while

  Doctors treated hundreds of victims of heatstroke at hospitals across Pakistan on Thursday after an intense heat wave sent temperatures above normal levels due to climate change, officials said.

• Governments must disaster-proof Canada's hospitals against climate change: experts

  Last month, the Canadian Medical Association warned that Canada's health-care facilities are among the oldest public infrastructure in use. Half were built more than 50 years ago, making them especially vulnerable to extreme climate events.

• Canadian Hurricane Centre says active storm season predicted for East Coast

  The Canadian Hurricane Centre is predicting an active storm season off the country's East Coast this year, mainly due to record warm water temperatures in the Atlantic Ocean.

• Waste from mill worsening mercury contamination in river near Grassy Narrows: study

  Industrial discharge from a paper mill in northern Ontario is exacerbating mercury contamination in a river system near a First Nation that has been plagued with mercury poisoning for decades, a new study suggests.

• Was this the bug that stung you? Wasp sightings revive murder-hornet concerns

  As temperatures rise out of a mild El Nino winter, Canada's buggy season is already upon us again, and this year, the bugs are looking especially big.

• Canada and U.S. suspend all fishing for Canadian-origin Yukon River chinook salmon

  Canada and the United States are suspending all fishing for Canadian-origin Yukon River chinook salmon for seven years in an attempt to protect the dwindling species.

• Dangerous brew: Ocean heat and La Nina combo likely mean more Atlantic hurricanes this summer

  Get ready for what nearly all the experts think will be one of the busiest Atlantic hurricane seasons on record, thanks to unprecedented ocean heat and a brewing La Nina.