#351      33 min 31 sec
Weeds girdle the globe: The marauding march of invasive plant species

Prof Roger Cousens

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.

#350      35 min 51 sec
Superdiversity: Policy challenges in an age of unprecedented migration

Prof Jenny Phillimore

Migration researcher Prof Jenny Phillimore explains how the recent global phenomenon of superdiversity is challenging policy makers and service providers to rethink housing and health care in our cities and beyond. Presented by Lynne Haultain.

#349      27 min 01 sec
Wild and domestic: A cultural history of human-animal relations

Prof Harriet Ritvo

Environmental historian Prof Harriet Ritvo recounts the often ambiguous relationships between the human and animal worlds through history, and explores our need to both tame and take inspiration from the wild. Presented by Dr Andi Horvath.