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Understanding Your Foodprint: The Environmental Impacts of What We Eat
Photo: Matthieu Paley, National GeographicKimberly Nicholas
Lund University Centre for Sustainability Studieswww.kimnicholas.com
@KA_Nicholas@KA_Nicholas
Photo: Reuters/Paulo Whitaker
12% ice-free land used for crops (size of South America)
Ramankutty et al., 2008; Leff et al., 2004 @KA_Nicholas
Photo: Yann Arthus-Bertrand
22% ice-free land used for grazing livestock(size of Africa)
Ramankutty et al., 2008; Leff et al., 2004 @KA_Nicholas
ALL water on Earth(1384 km sphere)
Liquid fresh water (270 km sphere)
Fresh water in lakes & rivers(56km sphere)
Data from Shiklomanov, In Gleick 1993,“Water in Crisis.” Visualization by USGS Water Science Photo Gallery
Resources Are Limited…
All soil(thanks to Jerry Glover)
@KA_Nicholas
What matters most for climate: what you eat, not where or how it
was grown
Data from Table 1, Vermuellen et al., 2012, ARER. Mean value shown where range given.
Global Food System Greenhouse Gas Emissions
@KA_Nicholas
Beef warms the climate 5x more than cheese, 100x more than legumes
Bryngelsson and Wirsenius, Supermiljöbloggen, 22 februari 2016
Gre
enho
use
Gas
em
issio
ns p
er k
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Beef Dairy Pork Chicken Legumes@KA_Nicholas
Institute for Health Metrics and Evaluation, University of Washington
What we eat determines global health
@KA_Nicholas
We need a new food paradigm
Slide from Jon Foley. Figure from Foley et al., 2011, Nature@KA_Nicholas
Right now, we have too little food security…
Slide from Jon Foley. Figure from Foley et al., 2011, Nature@KA_Nicholas
… and too much environmental harm
Slide from Jon Foley. Figure from Foley et al., 2011, Nature@KA_Nicholas
We need more real, fair & resilient food
Slide from Jon Foley. Figure from Foley et al., 2011, Nature@KA_Nicholas
… and less environmental damage
Slide from Jon Foley. Figure from Foley et al., 2011, Nature@KA_Nicholas
Cassidy et al 2013
Only 59% of calories produced become foodCurrent crops could feed 4 billion more if fed directly to
people
@KA_Nicholas
Debbie Anderson, myclimatechangegarden.com
Ron Finley, Guerrilla Gardening (Smithsonianmag.org)
@KA_Nicholas
Solutions are all around us
Debbie Anderson, myclimatechangegarden.com
Ron Finley, Guerrilla Gardening (Smithsonianmag.org)
@KA_Nicholas
David Perry, Reuters
Solutions are all around us
The Land Institute
Data: Scarborough et al., 2014, Climatic Change. Graphic: Brad Plumer, vox.com@KA_Nicholas
Sweden’s diet guidelines:health + environment
2015. “Find your way to eat greener, not too much and be active” @KA_Nicholas
We vote with our forks three times every day
Photo: Seven Stans, National GeographicFor more: One Great Meal, http://www.kimnicholas.com/one-great-meal.html
@KA_Nicholas
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