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: HS2 risks dividing and destroying "huge swathes" of "irreplaceable" natural habitats, including 108 ancient woodlands, a report has warned.

HS2 could threaten irreplaceable natural habitats, report warns