Trudeau calls for global carbon tax at COP26 summit

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Prime Minister Justin Trudeau urged all countries to agree to some sort of global price on carbon, a measure he says will dramatically curb the use of fossil fuels and level the playing field for countries like Canada that already impose a levy on emissions.

Speaking at a panel discussion organized by Canada on the sidelines of the COP26 summit in Glasgow, Trudeau said his government fought hard to impose its carbon tax policy over the opposition of political opponents in Canada, and now he wants to take that fight to the global stage.

An international movement for some sort of "standard around putting a price on pollution" could make it more politically palatable in other countries where there's also entrenched opposition to aggressive climate measures, Trudeau said.

The Conference of Parties (COP) meets every year and is the global decision-making body set up in the early 1990s to implement the United Nations Framework Convention on Climate Change and subsequent climate agreements.

Have questions about COP26 or climate science, policy or politics? Email us: ask@cbc.ca. Your input helps inform our coverage.

If countries are forced to adopt a price, it could make it an easier sell to citizens concerned about the resulting higher cost of living.

"It's always been hard to do this. We know citizens want more action on climate, but are always worried that they're going to be the ones paying for the brunt of it," Trudeau said.

Creating a global standard

The prime minister said Canada's federal carbon tax regime â€" where a tax is levied on fuels like gas, light fuel oil for home heating, natural gas and propane, and most of the money is collected and rebated at tax time â€" could serve as a model for other countries contemplating more aggressive climate action through a pricing regime.

"One of the things we all know needs to come out of COP26 is a clearer call to create a global standard around putting a price on pollution. Not only will that encourage innovation, it will give that clear price signal to the private sector that making the right capital investments to transform to lower emissions makes sense. It also ensures that those who are leading on pricing pollution don't get unfairly penalized," Trudeau said.

The prime minister said fewer than 20 per cent of global emissions are currently covered by a carbon tax, and he wants to see that figure tripled by the end of this decade.

"We know it, leaders know it, scientists know it and the private sector knows it: putting a price on pollution is the most efficient and powerful way to keep 1.5 alive," he said, referring to the push to keep global temperature increases to 1.5 degrees Celsius to stave off the worst effects of climate change.

Decoupling growth from GHG emissions

Trudeau assembled a number of international heavy-hitters at the carbon tax panel discussion on Tuesday, including Kristalina Georgieva, the managing director of the International Monetary Fund; Ngozi Okonjo-Iweala, the director general of the World Trade Organization (WTO); and Ursula von der Leyen, the president of the European Commission.

Von der Leyen, the senior-most leader of the European Union, praised Canada's leadership on the carbon tax file, saying it follows the EU's emissions trading system, a cap-and-trade system that was first imposed on some industries on the continent in 2005. She also stood behind Trudeau's call for some sort of carbon-pricing regime that applies to the global economy.

WATCH | Trudeau commits to end thermal coal exports by 2030:

Prime Minister Justin Trudeau commits to end thermal coal exports by 20304 hours agoAt COP26 in Glasgow, Trudeau says his government is working closely with the U.S. to end thermal coal exports by 2030. 0:58

"It's been proven â€" it helped us decouple growth from greenhouse gas emissions. So you can prosper while cutting emissions," she said, while touting the reductions seen across the power industry in Europe, where carbon emissions are down some 45 per cent since the trading system was first implemented.

"If we lived in a perfect world, I would love to have a global price on carbon for everybody and everything," she said.

Levy on other countries is Option B, Guilbeault says

Environment Minister Steven Guilbeault said if the world doesn't press ahead with some sort of standard carbon-pricing program, Canada would consider levying a border adjustment mechanism, which would impose taxes on products from countries that don't have robust climate plans.

"If it's the only thing we can do to ensure global emissions are being reduced, then we may have to do it," he said, while adding his preference is for a global carbon tax, because it will be easier to implement.

A mix of competing border adjustment taxes would complicate global trade, Guilbeault conceded, but it may be necessary to send the signal to climate laggards that cost-free pollution will not be tolerated by Canada and like-minded countries.

Georgieva backed Trudeau's push for some sort of floor on the price of emissions over a border adjustment-style approach.

"We believe that carbon tax is the best way to go. It's the most efficient," she said, adding that a patchwork of border adjustments would be a "nightmare" for the WTO.

Concerns about tax's effect on developing countries

Eddy Perez, international climate diplomacy manager at the environmental coalition Climate Action Network Canada, said he's concerned a global carbon tax will put undue pressure on developing countries â€" places that did little to cause climate change but are now bearing the brunt of rising global temperatures.

"Globally, there are still many questions that we need to ask about how unfair, how difficult it would be to have a global approach on pricing pollution," he said in an interview.

While praising Canada's aggressive approach to climate pricing at home â€" Ottawa's levy will be hiked to $170 a tonne by 2030, one of the world's highest â€" Perez said the single most important thing the federal government can do to curb emissions is to put a moratorium on oil and gas development and rapidly transition to renewable energy sources like solar and wind.

"The oil and gas sector requires much more than carbon pricing; it requires much more than even capping oil emissions," Perez said. "It's not just enough to say we're going to cap the emissions intensity of the sector."

Trudeau hopes the U.S. will follow suit

Trudeau said he hopes leading on the issue will show the United States it should follow Canada's example.

"There are lots of different tools that can be used, and every country will pick their options, but what we can do is show that [carbon pricing is] powerful, it's straightforward and it's impactful to do that," he said.

Trudeau said that just because the U.S. has yet to adopt carbon pricing doesn't mean it won't.

"A few years ago nobody would have even imagined that we could set a global minimum corporate tax and suddenly we have," he said.

"These are ... right ideas that when their time has come, people start to adopt it, and that's what we're going to be pushing very hard around the world on."

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