#386      36 min 43 sec
Global warming's companion crisis: Reactive nitrogen and its threat to human and planetary health

Prof Mark Sutton

Environmental physicist Prof Mark Sutton explains how our fast growing "nitrogen footprint" from agriculture and industry is reaching crisis levels as reactive nitrogen pollutes our air and soil and is a direct threat to human health. A leading researcher and advisor on nitrogen policy, Prof Sutton argues that smarter nitrogen management is not only a health and environmental priority but will prevent continued enormous economic losses. Presented by Dr Andi Horvath.

#384      22 min 09 sec
Exploring the impact of city lights on birds, and building better detergents

Mitchell Nothling
Anne Aulsebrook

In our annual PhD episode, we chat with two young researchers on their diverse investigations. We hear from bioscientist Anne Aulsebrook, who is looking at how urban lighting and light pollution is impacting the health and behaviour of wild birds that make their home in our cities. We also speak to chemical engineer Mitchell Nothling about his research into how enzymes like those found in our digestive systems could be harnessed to create sustainable and more efficient detergents. Presented by Dr Andi Horvath.

#382      33 min 27 sec
Going viral: Global food security under threat from crop and livestock diseases

Prof John Fazakerley

Virologist and infectious diseases expert Prof John Fazakerley details the myriad threats to the global food supply from pathogen infestations in crops and livestock, and how new genetic and surveillance technologies are lending hope to keeping them in check. Presented by Dr Andi Horvath.

#381      28 min 36 sec
Let's get physical: Designing cities with our health in mind

Prof Mark Stevenson

Urban public health researcher Prof Mark Stevenson describes the better human health outcomes to be had in cities that emphasize active transport modes like cycling and walking, while discouraging dependence on cars. Presented by Lynne Haultain.

#375      30 min 55 sec
Ear to the ground: Preparing for and recovering from earthquakes

Assoc Prof Mark Quigley

Earthquake researcher Assoc Prof Mark Quigley explains the lessons learned from recent major earthquakes into how to better prepare regions at risk, the value of strong science communication to affected populations during crisis, and the importance of developing appropriate building codes in anticipation of the Next Big One. Presented by Dr Andi Horvath.

#370      30 min 53 sec
Twin engines of truth? How science and law interact to construct our world

Prof Sheila Jasanoff

Social science and legal scholar Prof Sheila Jasanoff discusses how science and the law interact or compete with one another in the formulation of public reason -- in the economy, the courts and the political landscape. Presented by Lynne Haultain.

#365      31 min 31 sec
Managing transition: How do we prepare for complex social and environmental change?

Prof Jan Rotmans

Transition management thinker Prof Jan Rotmans argues that there must be a radical shakeup of existing institutions and governing structures if we are to deal with the shared, complex challenges emerging in social, economic, energy and environmental realms. Presented by Elisabeth Lopez.

#364      32 min 09 sec
The end of sustainability: Realism and resilience in managing our natural resources

Prof Robin Craig

Environmental legal scholar Prof. Robin Craig argues that the doctrine of sustainability in managing our natural resources fails to take into account an emerging age of ecological uncertainty. Instead, notions of sustainability and sustainable development need to make way for approaches based on resilience thinking, which attempts to factor in and adapt to coming large-scale social and ecological shifts brought about by climate change. Presented by Eric van Bemmel.

#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.

#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.