#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.

#385      30 min 34 sec
Outbreak! Human pandemics and how to manage the inevitable

Prof Eddie Holmes

Virologist Eddie Holmes explains how viral and bacterial pandemics of the type that spawned the Black Death and Ebola remain an unpredictable and inevitable part of our future. Professor Holmes describes how new technologies like genomic sequencing help us explore the origins and evolution of pathogens linked to pandemics as far back as Ancient Rome, and how evolving biosecurity and surveillance systems offer us a chance of containing outbreaks. 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.

#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.

#333      33 min 04 sec
Whatever happened to the ozone hole? Lessons in timely action to avert global disaster

Prof David Karoly
Dr Robyn Schofield

Atmospheric scientists Prof David Karoly and Dr Robyn Schofield discuss the hole in the ozone layer over the Antarctic, and what effect timely global action taken in 1987 seems to have had in reversing ozone degradation. Presented by Dr Shane Huntington.

Margaret Wertheim: Confessions of a science communicator

Margaret Wertheim

Celebrated science writer and author Margaret Wertheim discusses the state of science journalism and communication in a world of fragmented social and digital media, as well as her craft-based efforts to foster scientific and mathematical awareness. With Dr Shane Huntington.

#316      34 min 37 sec
Natural value: Pricing ecosystems, and its implications for conservation policy

Assoc. Prof. Brendan Wintle

Conservation ecologist Assoc. Prof. Brendan Wintle considers the difficult questions and dilemmas that arise in decisions around species and ecosystem conservation, and whether a monetary value can or should be applied to nature. Presented by Dr Dyani Lewis.

#267      22 min 29 sec
Counting the coast: Modeling the oceans of a warming planet

Dr Kathleen McInnes

Climate modeler Dr Kathy McInnes describes what mathematical modeling can tell us about the effects of rising sea levels and extreme weather events on our coastlines. Presented by Dr Shane Huntington.

#253      30 min 46 sec
Sedimental journey: Probing climate's buried past to predict our future

Prof Jonathan Overpeck

Paleoclimatologist Prof Jonathan Overpeck describes how research into uncovering the earth’s climate history generates important insights about our climate future. Presented by Dr Shane Huntington.