National Business

TORONTO — Canada's Big Three telecommunications carriers say they are taking in less revenue from international roaming so far this year as fewer Canadians travel to the U.S. amid the ongoing trade war.

Rule changes designed to reduce opioid overdose deaths in British Columbia in 2016 inadvertently harmed cancer and palliative-care patients by reducing their access to pain killers, a new study has found.

HALIFAX — Nova Scotia's electric utility says data stolen from its customers includes credit histories, social insurance numbers and information on driver's licences and bank accounts.

TORONTO — The union representing Air Canada flight attendants says it has filed for conciliation with the federal labour minister after reaching an impasse in contract negotiations with the airline.

TORONTO — When Cobie Smulders began working on “Super Team Canada” two years ago, she didn’t expect the goofy cartoon to align so perfectly with the current political landscape.

MONTREAL — Flight simulator maker CAE Inc. stands to grow with a global upswing in military spending, chief executive Marc Parent said as the company reported its latest quarterly results.

The Environmental Protection Agency said Wednesday that it plans to weaken limits on some so-called forever chemicals in drinking water that were finalized last year, while maintaining standards for two common ones.

RIYADH, Saudi Arabia (AP) — U.S.

TORONTO — Ontario's electricity is now being produced with the highest percentage of greenhouse-gas-emitting power since coal plants were operating in the province.

OTTAWA — Prime Minister Mark Carney shook up his cabinet Tuesday by moving some key players involved in Canada-U.S. relations into new positions and promoting 24 new faces in a move meant to signal change at the top.