He also published plans to fetch firms that fabricate or promote plastic products to bag responsibility for recycling their plastic damage.
But Trudeau said a "national solution" was needed.
The Canadian Plastics Industry Association (CPIA) and the Chemistry Industry Association of Canada (CIAC) released a joint statement that was measured in tone, noting they share the federal government's concerns about mismanagement of plastic waste.
Besides phasing out single-use plastics, the Government of Canada is taking several steps to further reduce plastic waste.
The Canadian Federation of Independent Business (CFIB) called for an assessment of the economic impacts of the ban. Polystyrene clamshells and other containers would also presumably be covered.
Plastic straws are already on their way out by restaurants' choice, but will nearly certainly be covered by the Canadian ban nonetheless.
Each year, a million birds and more than 100,000 marine mammals worldwide are injured or killed by becoming entangled in plastic or ingesting it through the food chain. Approximately one-third of all plastic used is for single-use or "short-lived" products and packaging.
"We are pleased to see they want to take a science-based approach", she said in an interview.
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Iranian Foreign Minister Mohammad Javad Zarif has described the incidents as suspicious. "These accusations are alarming". Yemen's Iran-aligned Huthi rebels said they had fired missiles on an airport in southwestern Saudi Arabia on Wednesday.
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The 14-year-old was also known to local police from a previous "unruly runaway investigation" according to police reports. He was charged with one count of aggravated criminal trespass and warned to have no further contact with the child.
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He says that Mexico will consider the USA demand that it become a so-called safe third country , should enforcement efforts fail.
Canada now throws out 12 times the plastic it recycles, and there are only about a dozen domestic recycling plants.
Both plastic manufacturers and the companies using their products, as in packing materials, will have to provide recycling plans. Since then many countries, including members of the European Union and Canada, have been at a loss for where to send their plastic, resulting in new policy proposals to try and reduce plastic waste.
During the news conference, Trudeau was asked by a reporter, "What do you and your family do to cut back on plastics?"
St. Albert Mayor Cathy Heron said in an email and phone interview that she was super excited by this announcement, as she has been studying waste reduction issues as chair of the Alberta Urban Municipalities Association's environment committee.
"Since our event at the Fox with the Water Brothers, we've been overwhelmed by the many calls to tackle plastic pollution, including from students across our east end community", he said.
NDP MP Gord Johns, whose motion calling for a national strategy to combat plastic pollution passed with unanimous support in December, said the Liberals' move is a good beginning but it is not a full strategy to get to zero plastic waste. It will also give businesses time to adjust.
"We believe if you couple that growth with the proper collection, repurpose, reuse of plastics, it's going to continue to make the products more in demand".