THE Prime Minister was the guest of honour at a celebration to mark the completion of Trimdon Millennium Green.
Mr Blair, who is patron of the project, planted an oak tree, donated by East Durham and Houghall Community College, watched by guests and schoolchildren.
Pupils from three schools took part in a lantern procession before watching Mr Blair unveil a sculpture to mark the millennium. The sculpture, called The Ringing Stone, which rings like a bell when hit by a stone, was created by North-East artist David Edwick.
Trimdon Millennium Green, which included the planting of about 800 trees, was made possible thanks to funding of £46,645 from the Millennium Commission and a grant of £10,000 from County Durham Environmental Trust, plus £2,500 from brewers Bass.
Originally an expanse of grass in the middle of a housing estate, the new green includes wooded areas, a grassy play and events area, footpaths and seating.
Mr Blair said: "The local community has put a tremendous amount of work into the creation of this wonderful green.
"The site has been completely transformed and I'm sure it will bring great enjoyment to local people for many years to come."
l Mr Blair visited Newton Aycliffe Leisure Centre to launch a reward scheme for youngsters.
The young people, aged between five and 15, have been recruited into Sedgefield Borough Council's Community Rangers scheme.
Every pupil is being given a card, which will be charged at terminals in schools with points awarded for good behaviour, healthy eating and environmental and community services. The points can be used to pay for leisure services, such as swimming, badminton and five-a-side football.
The Community Rangers' website was also launched by Mr Blair. The site, designed by Leightion of Sunderland, will contain information on what the rangers have done in the borough, offer advice and help, and indicate which opportunities and activities are available.
The Prime Minister also launched the Health Express, a mobile exhibition and resource centre which will tour the borough to promote healthier lifestyles.
l The Prime Minister planted a tree to celebrate the 75th anniversary of the founding of All Saints' Parish Church, in Ferryhill.
He looked around the church with Councillor Charlie Magee, vice-chairman of Durham County Council, to view the extensive renovation work.
Mr Blair also visited the All Saints' Day Centre, meeting the elderly and having a cup of tea.
The centre has been providing care and services to local communities for nine years and, for some of the 90 people a week who attend, it is the only chance they get to socialise and meet friends
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