So why did they take on such a ludicrously ambitious campaign?

Last month an ambitious environmental campaign was launched, asking individuals and organisations to cut their emissions by 10% in 2010.

They have begun ambitious campaigns to find dark matter and map it.

Glendale has begun an ambitious campaign to attract business and population growth.

Along with the new regulations, the department also began an ambitious campaign to educate children about healthful eating.

It seems that no one in the Bush administration fully reckoned with the consequences of this vast and ambitious campaign.

"It is probably the most ambitious public-service campaign we've ever conducted," she said.

This week the video business kicked off an ambitious public-service campaign but not everyone is in step.

An ambitious public campaign followed and by 1952, the renovations were completed.

The exhibition is the result of an ambitious gift-giving campaign that began five years ago.