University of Auckland PhD candidate Olivia Rooke-Devoy has offered a 'low-mow' alternative to protect the lawn environment. 

She claims that over-mowing is letting off too much CO-2, and destroying the habitats of insects and bees. 

Rooke-Devoy told Heather du Plessis-Allan it's an 'environmental disaster'.

LISTEN ABOVE 

See omnystudio.com/listener for privacy information.