Education is the only effective solution to changing adults' behavior.

An effective solution to the problem may now be at hand.

"We're putting on the market the most effective solution today," she said.

There is an effective and affordable solution to this problem.

A huge number of recent research studies have focused on an effective solution for waste treatment.

This is a far less risky and more cost effective solution.

This is neither a just nor an effective solution to the problem of drug use.

"The security services do not recommend this as the most effective solution," he added.

All these areas deserve our full attention and an effective solution.

This is a very difficult problem to solve, but I hope that we can find an effective solution.