WASHINGTON: The White House Office of National Drug Control Policy (ONDCP) will invest nearly $100 million over the next year to convince 14- to 16-year-olds not to smoke marijuana.

The ambitious effort seeks not just to deliver an anti-marijuana message, but to effect comprehensive change in a young teenager's environment, countering what ONDCP officials call an increasingly pro-drug culture.

Schools, youth-oriented publications, parents, and even popular TV shows and movies are being recruited for the initiative.

"Look at the environment of these kids," ...