According to the Washington Traffic Safety Commission, fatal crashes involving drivers under the influence of marijuana have risen sharply since Washington voters legalized recreational pot in 2012.

A South Puget Sound tribe is planning a grand opening at 4:20 p.m. on Thursday for what it believes is the nation's first marijuana store on a reservation.

A street drug made of various chemicals sprayed on tea leaves, grass clippings and other plant material continues to send thousands of people suffering from psychotic episodes and seizures to emergency rooms around the country.

In 2015, calls to poison control regarding the drug already have almost doubled, compared to last year's total, and health professionals and lawmakers are struggling to keep up with the problem.

Cannabis City opened on July 9. At the time it was the only store able to open -- others faced obstacles including distance between them and schools.
KUOW Photo/Michael Clinard

The Washington State Liquor and Cannabis Board is accepting a second wave of applications for new marijuana retail licenses.

Gone are the quotas and lotteries used in the first round of licensing. Now there are no limits on the number of licenses that may be granted – a change that took some cities by surprise.

It takes a lot of electricity to grow marijuana indoors. Lights and ventilating fans are some of the biggest culprits.

Pot farmers have to follow the same rules and regulations as the rest of the agriculture industry. That was a key takeaway Wednesday at a workshop for budding marijuana growers in Salem.

The Washington State Patrol has a warning for drivers: it’s now illegal to have an open container of marijuana in the passenger compartments of vehicles.

If legal marijuana were a movie, the $11 million that's estimated to have been taken in during Oregon's first week of retail sales would place it fourth on the list of U.S. weekend box-office receipts, right behind Pan.

The license application window opens Monday for medical marijuana dispensaries in Washington state that want to continue to operate.

Blaise Agüera y Arcas at The Cloud Room.
Courtesy of The Goodship Academy of Higher Education/Eileen Namanny

Seattle is a great city for lectures, and now there’s a new series to cater to “high minded” individuals who want to combine an interesting talk with a little marijuana.

Jody Hall, founder of Cupcake Royale and producer of marijuana edibles with The Goodship Company, believes our society is starving for human connection. She promotes the responsible use of marijuana as a conduit to community building.

As of Thursday, recreational marijuana is legal in Oregon. However, if you’re in Eastern Oregon, you face a long drive to score some legal bud.

Gras Cannabis in Portland, Oregon.
Flickr Photo/Alan (CC BY NC ND 2.0)/

David Hyde talks with Portland Mercury reporter Dirk VanderHart about how legal marijuana in Oregon could affect pot businesses in Vancouver, Washington.

Starting Thursday, adults 21 and over can buy marijuana for recreational use in Oregon. And they'll have plenty of places to buy it from.

Starting October 1, adults in Oregon will be able to walk into a medical marijuana dispensary and buy pot for recreational use. But not in dozens of communities across the state, where local officials have banned such sales.

Employees at Ike's Pot Shop in Seattle's Central District sell marijuana products on their opening day, Sept. 30, 2014.
KUOW Photo/Posey Gruener

Ross Reynolds interviews Hal Snow, the head of cannabis practice at the law firm Garvey Schubert Barer. It’s legal to buy and sell marijuana in some states, but the legal picture is far from clear. Cannabis is still illegal under federal law, although tolerated by the attorney general as long as states follow certain rules. But that makes most bankers leery about providing financial services to marijuana businesses. Will a new president and Congress in January 2017 change the picture?