An iconic winter tourist draw is being scrutinized by experts and activists. Once essential to the survival of indigenous communities, dog sledding is embraced today for sport and tourism. W5 investigates what sometimes goes on behind the scenes when dogs aren't pulling paid customers.

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W5 investigates why Canada ranks among the worst in the world when it comes to protecting whistleblowers, according to a recent report.

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A W5 investigation into an unconventional treatment for severe depression and PTSD that involves the drug ketamine.

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Sandie Rinaldo is given a very rare look inside the private life of a very private public figure -- former federal justice minister and attorney general Jody Wilson-Raybould.

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A W5 investigation helped convince B.C.'s government to launch a commission to investigate the scope of money laundering in the province's economy.

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Experts warn the next pandemic could come sooner than you think, and that unless changes are made to industrial farming practices worldwide, it could spark a virus that's more deadly than COVID-19.

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As the pandemic keeps people indoors, children and youth are turning to video games at an alarming rate. Sometimes with grave consequences. W5 investigates how much is too much?

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In 2002, the owners of the mill in Dryden, Ont. started a project to reduce emissions, but workers on the construction project complain that they were exposed to toxic chemicals that damaged their health. CTV's W5 spoke with some of the workers about what they went through.

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W5 explores the chaotic mission of Canadians in Kabul to evacuate Afghan citizens in the wake of the Taliban takeover.

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A W5 open source investigation compiles the first-ever research on a growing trend to treat overdose deaths as potential homicides.

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