by Robert Jensen

Bill Rees likes to say that ecological footprint analysis began with an epiphany—when he was 10 years old.
Sitting down to lunch on his grandparents’ Ontario farm with relatives he had worked with that morning, the sweaty kid realized he had played a small part in raising everything on the table—beef, chicken, potatoes, carrots, and a few other items the farm had produced so far that season.
Rees remembers the moment as thrilling. “You know the expression, ‘You are what you eat’? As a child, I realized I am what I eat, and that I grew what I ate,” said the renowned ecological economist, now 82. “I knew deep in my bones that farm work and food made me a product of soil and sun.”
That may seem simple, but how many people think about the importance of soil? Today’s high-energy/high-technology culture too easily obscures our dependence on ecosystems. Rees has spent his career trying to alert people to the consequences of ignoring ecological realities.
With his coauthor and former student Mathis Wackernagel, Rees in 1996 published Our Ecological Footprint: Reducing Human Impact on the Earth. Perhaps today’s most well-known sustainability metric, Ecological Footprint Accounting (EFA) estimates human demands on the carrying capacity of Earth. Comparing human consumption of bio-resources with Earth’s regenerative capacity, EFA shows that we are in overshoot—consuming resources faster than they can be replenished and generating wastes faster than they can be absorbed.
Rees retired from teaching at the University of British Columbia in 2012 but continues to sound the warning: Modern techno-industrial (MTI) society is unsustainable. Humanity’s total biological resource consumption and waste production exceed ecosystems’ regenerative and assimilation capacities. Read more »

Deborah E. Roberts. When You See Me, 2019.
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