DENVER — The $3.5 billion U.S. marijuana market is emerging as one of the nation’s most power-hungry industries, with the 24-hour demands of thousands of indoor growing sites taxing electricity grids and unraveling hard-earned gains

SALEM, Ore. — Banks in Oregon are reluctant to deal with the state’s new legal marijuana businesses because many fear a federal backlash. Securing something as simple as a checking account can be nearly

PORTLAND — Members of the Confederated Tribes of Warm Springs have approved a plan to build a facility to grow marijuana on their reservation in central Oregon and sell it at tribe-owned stores outside the

PORTLAND — The U.S. Postal Service says it’s illegal to mail materials containing advertising for marijuana products, even in states that have legalized the federally controlled substance. The statement released this week comes in response

OLYMPIA — Washington’s Liquor and Cannabis Board says it will increase the maximum number of marijuana stores in the state to help serve those who use the drug for medical reasons. The board said Wednesday