![Up Close Research Talk Show show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/037/643/small/up-close-research-talk-show.jpg)
Summary: Plant population specialist Prof Roger Cousens talks about how the spread of undesirable plants, or "weeds", has dramatically redefined the world’s natural landscapes and coastlines, and what this means for us economically, aesthetically and environmentally. Presented by Dr Andi Horvath. Download mp3 (30.6 MB) Listen now Read transcript read more