Marijuana: Facts for Teens
From the National Institute on Drug Abuse, comprehensive information about marijuana and its effects.

Teenagers and Marijuana
Project by a 9th grader in a Washington state school. Includes drug facts, warning signs, the student's personal beliefs, and links.

Marijuana and Teenagers
Designed by a high school in Australia. Offers information on different types of marijuana, characteristics of marijuana, and the effects of the drug on teenagers.