Legalization

"When you find THC in breath, you can be pretty darn sure that somebody smoked pot in the last couple of hours," Hound Labs CEO Mike Lynn explained.

In legal cannabis states, it's often the folks renting out warehouses who are making the most money in a booming business.

As President-elect Andrés Manuel López Obrador considers the legalization of drugs in Mexico, he has given incoming Interior Minister Olga Sanchez Cordero a free hand.

Ottawa moved to legalize and regulate recreational cannabis in June, fulfilling a campaign promise put forward by Prime Minister Justin Trudeau.

"I believe the incredible tailwinds blowing at legal marijuana's back make it so the opportunity here is much like the one internet stocks offered in 1994 … or the one bitcoin offered in 2015."

Vermont is the ninth state in the U.S. to legalize cannabis for recreational use and also the first state in the country to do so through its legislature.

The Canadian government has warned citizens on its website that legal cannabis use could still cause problems when traveling abroad.

Bob Marley, who died in 1981, was a member of the Rastafarian movement, which developed in Jamaica.

Trudeau has suggested that unspecified Canadian "allies" have shown "a lot of interest" in Canada's move to legalize the drug. "They recognize that Canada is being daring...and recognize that the current regime [of prohibition] does not work."

Boehner joined several U.S. mayors this week in telling the federal government to get out of the way of marijuana legalization.

Arrests for possession of small amounts of marijuana in New York City may soon become a thing of the past.

Many cannabis entrepreneurs are trying to navigate the murky waters of recreational weed.

But will the government allow the industry to flourish?

Several potential 2020 presidential contenders in the Senate are now co-sponsors of the Marijuana Justice Act.

The gubernatorial candidate said marijuana has "effectively been legal" for white people "for a long time."

Marijuana has been fully legalized—for both medical and recreational purposes—in nine states and Washington, DC.

According to an expert, the elected officials at the federal level are "the last domino to fall."

"The momentum behind marijuana law reform will not only continue but increase as we head into 2018."

The organization's Expert Committee on Drug Dependence found "no evidence of public health related problems associated with the use of pure CBD."

Maryland legalized medical marijuana in 2014, but its first dispensary opened last week.

Conservative senators say several provinces are not ready to enforce a legal framework by July 1.

"We bless cannabis before smoking it by giving a short prayer."

The PSA reads "Cannabis is legal, traveling with it is not. Leave it in California."

As Maine moves recreational use forward, it joins a club including Colorado, California and Oregon. And each state approaches the drug differently.

Only 14 percent of voters said weed shouldn't be legal in the U.S.

Since Colorado first legalized recreational marijuana in 2012, the demand for novelty, even gourmet, products containing THC has soared

The measure passed with a 75 to 71 House vote.

Khalifa's new app is just one of the rapper's marijuana-related businesses, and he isn't the only celebrity making green off grass.

The Canadian Medical Association suggested that only adults 21 and older should be allowed to purchase and consume marijuana products legally.

The bill's sponsor says his colleagues 'are scared' of the bill.