Wharf Road car park in Grantham is closing on Monday for more than a month.
Detectives investigating the death of Ian Jackson-Wynch said the pair were potential witnesses.
Beavers at Boothby Wildland are helping to fight flooding by slowing the flow of water.
The council hopes its free events will encourage people to protect nature and tackle climate change.
Developers had applied to remove an obligation to build a bridge connecting the estate to the town.
South Kesteven District Council says it has complained to the government over the issue.
Restoration work on the turret, the clock tower and the roof of the Grantham building is complete.
The collision resulted in the northbound carriageway being closed for more than 10 hours.
Officials at South Kesteven District Council say every effort is being made to minimise disruption.
