McIntosh dismisses Malcolm and Coney's concerns about the memorial's size and loss of greenspace.

Since then, researchers have reported links between urban greenspace and improvements in memory and a reduction in aggression and crime.

Longitude Festival is about to take place for the third year in the leafy Marlay Park, a suburban greenspace south of the city in Rathfarnham.

Ellie Donovan, founder of GreenSpace, is not a fan of food miles.