The two parties have also drawn different lessons from the experiences of other countries.

ECONOMIST: Can China change?

So what are the lessons for other countries from Malaysia's experiment?

ECONOMIST: Malaysia

Can you talk about any of the lessons that the White House has gleaned from looking at those other countries?

WHITEHOUSE: Press Briefing

The lessons learned, from both successes and failures, may be shared with other countries interested in addressing such issues.

UNESCO: World Water Assessment Program (WWAP)