THE TOP FIVE GREEN CITIES IN THE WORLD IN 2020
Planting more hedges, plants and trees will reduce human exposure to harmful airborne pollution by 50 per cent, according to a ground-breaking project undertaken by University College Dublin.
Five other cities in Italy, Germany, the UK, Belgium and Finland participated in the Dublin-led, EU-funded project.
Dr. Francesco Pilla of UCD led the research.
♪ Music this week from Hungary ( Kaukázus ) and Sweden ( Victor Leksell ) ♫