Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: An environmental restriction on housebuilding has so far delayed more than 10,000 new homes, a council group has said.

Solent nitrates: 'More than 10,000' new homes delayed