Introduction

The only lasting truth is Change.

—OCTAVIA E. BUTLER, Parable of the Sower

We live on an amazingly rare and beautiful planet spinning around a midsize sun on the outer arm of a spiral galaxy in a boundless universe. Our vast, living world is incredibly complex.

Across the globe, we face extraordinary challenges: climate change; lack of affordable shelter; food insecurity; racism; sexism; social inequities; large-scale displacement, migration, and resettlement; biodiversity loss, habitat degradation, and animal abuse; continuing violence; and declining mental health. Just to name a few.

Not only are these challenges complex; they are systemic and structural. They are constantly changing and evolving. A variety of actors, organizations, ...

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