
The Cannabis College is a non-profit information centre located in the centre of Amsterdam's historic Red Light District in The Netherlands. Opened in 1998, the info centre features displays of the many and varied uses for Cannabis sativa and industrial hemp, as well as the history of human interaction with the plant. Everything from hemp building materials and plastics to medical Cannabis and worldwide legislation is covered.

GW Pharmaceuticals is a British pharmaceutics company known for its multiple sclerosis treatment product nabiximols which was the first natural cannabis plant derivative to gain market approval in any country. Another cannabis-based product, Epidiolex, was approved for treatment of epilepsy by the US Food and Drug Administration in 2018. It is a subsidiary of Jazz Pharmaceuticals.

Half Baked is a 1998 American stoner comedy film starring Dave Chappelle, Jim Breuer, Harland Williams, and Guillermo Díaz. The film was directed by Tamra Davis, co-written by Chappelle and Neal Brennan and produced by Robert Simonds. The film received negative reviews but has since become a cult film.

Homegrown is a 1998 American dark comedy-drama thriller film directed by Stephen Gyllenhaal and starring Billy Bob Thornton, John Lithgow and Hank Azaria.

The Legalize Marijuana Party is a political third party in the U.S. state of New Jersey established in 1998 by Edward Forchion to protest cannabis prohibition.

Reefer Madness is a musical satire of the 1936 propaganda film and cult classic Reefer Madness that opened in Los Angeles in 1998. The book and lyrics were written by Kevin Murphy and the book and music by Dan Studney. Directed by Andy Fickman, it was initially shown at the Hudson Theater on Santa Monica Boulevard in Los Angeles and then moved to the New York City "Off-Broadway" scene. The show opened Off Broadway on September 15, 2001, and closed shortly thereafter. Rodgers and Hammerstein Theatricals now administers the stock/amateur rights, and the show has been produced by local theater groups in several cities, including Long Island, Toronto, Seattle, Philadelphia, Charleston, Sacramento, Raleigh, Norfolk, Minneapolis, and London. The 2008 production at Washington, D.C.'s Studio Theater won two Helen Hayes Awards.

Romancing Mary Jane: A Year in the Life of a Failed Marijuana Grower is a non-fiction book, written by Canadian writer Michael Poole, first published in 1998 by Greystone Books. In the book, the author chronicles the regrettable consequences of his decision to cultivate marijuana on a commercial level. Goodreads called the book, an "engaging blend of metaphysics, marijuana, and midlife crisis." A panel of Wilfrid Laurier University judges called Poole's writing, "sheer competence".