agriculture

#397      29 min 10 sec
Embracing the finite: Making our way in an era of dwindling natural resources

Prof. Peter Vitousek

Ecologist Prof. Peter Vitousek explores how living in the Anthropocene, a time in which human activity has become the key driver of planetary health, will force us to make our way with diminished natural resources. Peter also asks what we can learn from the historical experience of Pacific Islanders, whose cultural and agricultural practices were shaped by a profound understanding that their immediate horizons were in fact the very limits of their worlds. Presented by Dr Andi Horvath.

#392      37 min 44 sec
Feeding the 9 billion: Inconvenient truths about global food security

Prof Timothy Reeves

Sustainable agriculture expert Prof Tim Reeves discusses the profound changes required in agricultural practice, public policy and consumer behavior if we are to feed earth’s ever-growing human population that is projected to exceed 9 billion in 2050. Business as usual won’t pass muster anymore. With host Dr Andi Horvath.

#389      38 min 35 sec
Genetic find and replace with CRISPR: Technology that will revolutionize medicine and agriculture

Prof Jacob Corn

Molecular biologist Prof Jacob Corn describes how gene editing is carried out with CRISPR-Cas9. He explains why this technology has the potential of revolutionizing the treatment of diseases such as sickle cell anemia and malaria. Besides human health, CRISPR-Cas9 can also contribute to improving agriculture and, consequently, food security. Jacob also discusses the possible ethical challenges posed by the widespread application of gene editing. Presented by Dr Andi Horvath.

#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.

#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.

#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.

#293      35 min 29 sec
Fare enough: Concocting an aura of authenticity in traditional food products

Prof Ken Albala

Food historian Prof Ken Albala discusses how the marketing machine creates a sense of authenticity around foods from various regions in Europe. Presented by Elisabeth Lopez.

#247      25 min 25 sec
Giving off gas: Agriculture's role in greenhouse emissions

Prof William Horwath

Biogeochemist Prof William Horwath explains the impact that modern agriculture has on greenhouse gas emissions from the soil. Presented by Dr Shane Huntington.

#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.

#238      23 min 41 sec
Rice futures: Biofortifying food crops for better nutrition

Dr Alex Johnson

Plant molecular biologist Dr Alex Johnson explains how genetic engineering of rice grain could help to stave off malnutrition in the developing world. Presented by Dr Shane Huntington.