New 'robot trees' installed on Cork City streets

The high-tech 'trees' take in particulate matter but have been criticised as a 'costly and ineffectual gimmick' 

The moss wall device which has been installed across Cork City.

Controversial ‘robot trees’ have been installed in Cork city centre to help to clean pollutants from the air.

Five high-tech CityTrees, costing some €350,000 for the year including maintenance, are being installed at St Patrick’s St and on the Grand Parade near the City Library.