It has become the touchstone of a worldwide political debate over global warming.

The Clinton administration has been largely absent from this worldwide debate, diplomats say.

The finding comes the midst of a worldwide debate on whether depressed children should be treated with drugs like Prozac.

It is the first time such high-level business chiefs have raised their voice as a group in the worldwide environmental debate.

This article triggered a worldwide debate on these "black sites."

The research team returns their expedition footage, prompting a worldwide debate.

Gothenburg is the appropriate setting to open this worldwide debate.

Finally, the Commission should start a worldwide debate on the fight against animal diseases.

The cloning of a sheep in 1997 sparked a worldwide ethical debate.

However, there is worldwide debate on the idea of cloning a human, which will surely continue for decades.