Councils have been urged to help save bees by cutting grass less often - and claim 'huge' public support for the policy.
Campaigners Buglife and Friends of the Earth say it will save money and allow more wild flowers to grow.
In a survey by the two groups four out of five people said councils should cut grass less often and two thirds said they should do more to protect bees.
They have produced a guide for councils being launched at a 'Bee Summit' being held today in London, involving local authorities as well as academics, Government scientists and campaigners.
It says the planning system should be used to protect and increase pollinator-friendly habitats, pesticides should be used less and more wild flowers should be planted in parks.
Friends of the Earth chief executive Craig Bennett said: 'Local councils have a vital part to play in helping the UK’s under-threat bee populations.
'Policies such as allowing grass to grow on roadside verges and in certain areas in parks, will help bees, save cash-strapped councils money and are supported by the public too.'