"We need to get a serious commitment to cut emissions now and in the G-8."

Only by making a serious commitment to change, he said, will you achieve success.

So serious a commitment could not be made without heavy Federal participation.

Now that the parties to the war have made a serious commitment to peace, we must help them to make it work.

This actually could be a sign of serious academic commitment.

A strong national drug education program must also include a serious financial commitment.

Again, this is just not a serious commitment to energy independence.

This has all been possible thanks to our serious commitment to these negotiations.

Finally, we must make a serious commitment to human rights.

A serious commitment has been taken since then by the directors' board.