Southend councillor David Garston said "with heavy hearts", committee members could see no case for disturbing green belt land.
St Albans council said the government's approval for the green-belt land proposal had been "flawed" because it did not take into account an assessment of both sites.
BBC: St Albans council threatens legal action over rail depot
St Albans City and District Council said the government's approval for the green-belt land proposal had been "flawed" because it did not take into account an assessment of both sites.
The football club's plan, which has not yet been designed or lodged with the council, is for landfill green-belt land, north of Colney Heath Lane, adjacent to the Alban Way.
BBC: St Albans City FC propose 5,000-seat stadium plan for city
Green-belt land is not chosen for its beauty or environmental value.
The fourth site is for eight residential pitches on green belt land on the edge of urban development at Throop Road, between Woodbury Avenue and an area of allotments.
In 1993, he advised the hotel owner over planning permission from Newark and Sherwood district council for five expensive houses on green-belt land.
The hospice was proposed for land off Belton Way West, surrounded by other green belt, including a woodland and grassland area known as Belton Hills.
Mrs Hutchings responded to Mr Cleggs comments, saying Eastleigh's Lib Dems have plans for a further 3, 300 homes on green land.
This was followed by the High Court review in 2011, which overturned the county council's decision, arguing that village green status was incompatible with the statutory purpose for which the land was held.
In terms of development outcomes, the Meeting agreed that the UN Millennium Development Goals (MDGs) should form the basis for any assessment of the development outcomes of a certified green development land management plan.
The roundtable also highlighted new tools and approaches such as the guidance on corporate ecosystem valuation from the World Business Council for Sustainable Development ( WBCSD), the biodiversity-responsible land management certification from the Green Development Initiative ( GDI), and the new guidance on ecosystems assessment from the International Petroleum Industry Environmental Conservation association ( IPIECA).
Bristol City Council went against the inspector's original recommendation for the land and said only the southern part of the site should be made into a town green, which would have allowed the stadium development to go ahead.
It registered part of the land as a town green but the area where the stadium would be built was not registered paving the way for it to be built.
An Essex hospice in "desperate need" for palliative care facilities is appealing over a council's refusal of a new site on green belt land.
应用推荐