Owl Wing Design With Serrated Edges Reduces Aircraft, Wind Turbine Noise Pollution

Good News Notes: “Trailing-edge noise is the dominant source of sound from aeronautical and turbine engines like those in airplanes, drones, and wind turbines. Suppressing this noise pollution is a major environmental goal for some urban areas. In Physics of Fluids, by AIP Publishing, researchers from Xi’an Jiaotong University used the characteristics of owl wings to inform…

Liverpool Becomes Cleaner With New ‘Living Green Wall’

Good News Notes: “Spanning 65 metres in length, the living green wall is one of the longest in the UK and has been installed as part of a project which seeks to increase green space in urban areas, improve air quality and support health and wellbeing. The project is being led by The Mersey Forest…