The report is being released at the start of the annual world water conference in Stockholm, Sweden, where 2,500 politicians, UN bodies, non-governmental groups and researchers from 120 countries meet to address global water supply problems.

The report was released at the start of the annual world water conference in Stockholm, Sweden, where 2,500 politicians, UN groups, non-governmental groups and researchers from 120 countries met to discuss global water supply problems.
