These gigs are lucrative, but ITT takes on more risk--by not only selling the hardware, but sometimes installing it and guaranteeing the quality of the effluent and the power usage.

FORBES: Muckraker

He said that one of the major challenges for the country is to continue guaranteeing the sustainability and quality of social services, such as education, health, culture, sports and social security.

UNESCO: MEDIA SERVICES

Guaranteeing access to high-quality early education for 3- and 4-year-olds.

CNN: Report sees 'sobering statistics' on racial inequality

Guaranteeing a minimum price also means there is no incentive to improve quality, grumble coffee-drinkers, who find that the quality of Fairtrade brews varies widely.

ECONOMIST: Food politics