Marijuana activist Dana Larsen is making another tour stop in Calgary a year after he was arrested for giving away cannabis seeds.

The Vancouver-based cannabis legalization advocate admits he is “a little nervous” about coming back to the city where he was charged with one count of trafficking marijuana and one count of possession for the purpose of trafficking.

The federal government plans to legalize recreational use of marijuana next year and trade shows are popping up across the country but many are having a hard time getting the word out.

The Cannabis and Hemp Expo is coming to Calgary in May and some of the big broadcasters are saying no to its ads saying they can’t run them because it’s still illegal to promote pot in Canada.

It's the first year for the event and organizers say they’ve tried to buy ad time on major networks like CTV and Rogers, but the name they chose and their logo has brought up legal concerns.

The issues stem from the use of the word ‘cannabis’ and the depiction of a pot leaf in the logo.

Before the end of 2017, a five-acre site near Claresholm, Alta., will be full of greenhouses growing medical marijuana plants.

The industry is booming in Alberta, despite the plans for federal legalization of marijuana being more than a year away — making for a lot of excitement, as well as some concern.

Construction is set to begin in June for the 65,000-square-foot medical marijuana greenhouse, with room for expansion into the production of recreational products, once pot is legalized on Canada Day next year.

The Calgary Police Service wants more information and more funding for drug impairment recognition training for front-line officers before marijuana becomes legal in Canada.

At a meeting of the Calgary police commission this week, CPS outlined the steps the service is taking following the announcement this week that the Liberal government will introduce legislation to legalize pot by July 1, 2018.

Sgt. Richard Butler, who heads the force's alcohol and drug recognition unit, warned the legalization of the drug in other jurisdictions has been accompanied by a rise in collision rates and costs associated with policing drug-impaired drivers.

A group of University of Alberta students want the province to roll any tax revenue raised from the legal sale of marijuana into mental health and addiction programs.

Student Advocates for Public Health say these programs are badly underfunded at a time when substance abuse is costing Alberta's health-care system about $1 billion per year.

The group says once the federal government follows through with its plan to legalize pot, Alberta should direct any provincial taxes raised from sales into bolstering services.

A Calgary company is hoping to make “escape rooms” great again by offering a Donald Trump-themed experience.

Confined Escape, located on 32 Avenue N.E., launched its new “Escape Trumps Tower” room on March 13.

In an email, spokesperson Alyson Turnbull said the reception for the room has been “very positive.”

“People find this room hilarious,” she said. “So far the reviews have been all five stars.”

Workers in safety sensitive workplaces will likely see increased scrutiny of marijuana impairment by employers once the drug is eventually legalized by the federal government, says labour lawyer Julie Menton.

Legislation is set to be introduced by summer 2017.

But, a Calgary-based oil and gas safety group recently raised concerns over workplace safety risks associated with increased use of marijuana.

Businesses that hope to sell legal marijuana in Edmonton should expect to pay higher city fees, Coun. Dave Loken said Tuesday.

"We're going to be stuck with a lot of the enforcement," Loken said as council's executive committee discussed a report from administration designed to help the city prepare for the coming legalization of marijuana.

The federal Liberal government has pledged to legalize and regulate marijuana during its current term in office.

"The more they define the rules as we get closer to legalization, the clearer the impacts will be on municipalities," Mayor Don Iveson said.

​"They'll raise all the tax revenue from this new taxable substance and once again municipalities will have to do all the hard work."

One of the researchers launching a study into the potential benefits of cannabis oil on childhood epilepsy says he is interested to learn how the drug affects the children’s quality of life.

Dr. Richard Huntsman, a pediatric neurologist and a professor at the University of Saskatchewan, is leading the cannabis oil study along with Dr. Richard Tang-Wai, a pediatric epileptologist at the University of Alberta.

The main goal of their study is to learn if concentrated cannabis oil can be used safely in children with epilepsy. But they also want to look at whether it helps control seizures and whether it helps children’s lives improve, he told CTV News Channel Saturday.

The City of Edmonton is gearing up for the eventual legalization and regulation of marijuana.

City staff prepared draft amendments to several bylaws in anticipation of the federal Liberals introducing legislation later this year.

In a report headed to Executive Committee, city staff say bylaws will need to be altered to address nuisance factors such as odour, safety and security as it relates to minors and land use issues such as increased traffic.