#244      33 min 43 sec
The dragon's tango: China's growing engagement in Latin America

Assoc Prof Kevin P. Gallagher

International relations scholar Assoc Prof Kevin P. Gallagher examines the growing influence in Latin America of a resource-hungry China, and the benefits and risks resulting from Chinese economic activity in the region. Presented by Eric van Bemmel.

#236      21 min 27 sec
Mercury rising: The impact of distant human activity on Antarctica

Dr Robyn Schofield

Atmospheric chemist Dr Robyn Schofield discusses how industrial pollution makes its way to the pristine Antarctic continent, and explains the chemistry behind the resulting annual mercury deposition events. Presented by Dr Shane Huntington.

#216      26 min 46 sec
Tailings tidy up: How bioremediation can repair the damage done by mining

Dr John Moreau
Dr Augustine Doronila

Biogeochemist Dr John Moreau and botanist Dr Augustine Doronila discuss how contaminated mining sites can be rehabilitated with the help of a biological approach using plants and bacteria. Presented by Dr Shane Huntington.

#194      29 min 29 sec
Degrees of uncertainty: Modeling the climate impact of greenhouse gases

Dr Malte Meinshausen

Senior climate impact researcher Dr. Malte Meinshausen explains how climate change is modeled, and estimates the effect of timely mitigation of  greenhouse gases in the atmosphere. With science host Dr Shane Huntington.

#179      28 min 38 sec
Reaping what we sow: Agriculture's role in climate change

Associate Prof Richard Eckard

Assoc Prof Richard Eckard examines how modern agriculture contributes to global warming and discusses ways of mitigating the problem. Presented by Dr Dyani Lewis.

Episode 174      35 min 10 sec
Peak fish: Rising human consumption of seafood, and its implications

Dr Tim Dempster
Dr Reg Watson

Fisheries scientists Dr Tim Dempster and Dr Reg Watson discuss the pressures on wild fish stocks and debate the role of aquaculture in feeding an increasingly populous world. With science host Dr Dyani Lewis.

Episode 171      23 min 24 sec
In the name of the planet: Armed intervention to protect the environment

Prof Robyn Eckersley

Political scientist Professor Robyn Eckersley proposes a framework for protecting the environment that allows for armed intervention. With host Jennifer Cook.

Episode 155      32 min 49 sec
Endangered animal species: Captive breeding and genetic rescue

Dr Andrew Weeks
Dr Michael Magrath

Geneticist Dr Andrew Weeks and animal behaviourist Dr Michael Magrath discuss diverse ways of dealing with threatened animal populations. Australia's Mountain Pygmy Possum is one such endangered species for which a combination of genetic and breeding solutions are being tried. With science host Dr Shane Huntington.

Episode 144      30 min 40 sec
Waiter, there's cesium in my soup: The health implications of radioactivity

Assoc Prof Tilman Ruff

Associate Professor Tilman Ruff explains how radiation from nuclear energy sources can affect the human body and our health. With science host Dr Shane Huntington.

Episode 142      44 min 50 sec
The global mean and the human scale: Climate change adaptation agenda under scrutiny

Prof Naomi Oreskes

Science historian Professor Naomi Oreskes explains why limits in the predictive capacity of climate models present a challenge to those favoring adaptation above emissions mitigation as a strategy in dealing with climate change. With host Eric van Bemmel.