Energy

The Federal Court of Appeal has quashed the federal government’s approval of the troubled Trans Mountain expansion project, after concluding that Prime Minister Justin Trudeau’s cabinet made its decision without considering all of the evidence.

A project by the City of Ottawa aims to reduce carbon pollution from vehicles by getting traffic lights to send signal data to cars in advance.

Ontario Premier Doug Ford is musing about breaking a key campaign promise geared at the province's cottage country in the last election. And he's blaming ex-premier Kathleen Wynne's Liberal government for his apparent waffling.

A bold Quebec election promise to ban the sale of new gasoline-powered vehicles by 2030 is following the lead of countries such as France and the United Kingdom, says the province's left-leaning Québec solidaire party.

A catastrophic spill of toxic waste, including arsenic, lead, mercury, selenium and phosphorus, four years ago in British Columbia shows how Canada may be no safer than so-called "developing" countries with reputations for political corruption and instability, says a new research report published on Tuesday.

An Ontario court has ruled in favour of the Canadian arm of Tesla Inc. in its petition that it had been treated unfairly in the provincial government's cancellation of an electric vehicle rebate program.

Dozens of epitaphs written over the weekend proclaim the late U.S. Senator John McCain as an American hero, writes Eric Holthaus. But history may miss one of his greatest achievements: His decades-long call for climate action.

Ontario Premier Doug Ford tweeted a selfie of himself with Alberta Opposition leader Jason Kenney criticizing a tax on pollution, as his government faced accusations from federal Liberals of restricting some public servants from speaking about climate change.

The Supreme Court has dismissed an appeal by the City of Burnaby on construction of the Trans Mountain pipeline expansion, one of the last court challenges to a project that has pitted British Columbia and First Nations against Alberta and Ottawa.

Justin Trudeau's twin objectives to reduce Canada's carbon emissions and build a pipeline to carry oilsands bitumen to the coast collided Wednesday in a province ravaged by wildfires that the prime minister's own government attributes to climate change.

Ontario's Progressive Conservative government has asked the province's Superior Court to throw out a petition from the Canadian arm of Tesla Inc. that claims the U.S. company has been treated unfairly in the government's cancellation of an electric vehicle rebate program.

Usually frozen waters open up twice this year in phenomenon scientists described as scary.

If we want to solve climate change, there's no other option.

Rising arctic temperatures mean we face a future of ‘extreme extremes’ where sunny days become heatwaves and rain becomes floods, study says.

If he's elected and carries out his plans to cancel the Apuiat project, CAQ Leader François Legault would be borrowing a page from Ontario Premier Doug Ford, who cancelled a multimillion dollar wind project and hundreds of other green energy deals, within days of forming a new government in June.