01 — THE IDEA

What Is Intervention Design Thinking?

Systems are always changing. Ecological systems evolve, institutions adapt, cultures shift, economies reorganize. The question IDT asks isn’t whether systems change, but how interventions — the policies, movements, infrastructures, and everyday practices that try to redirect them — actually move systems, and why some produce durable transformation while others stall, dissipate, or backfire.

IDT defines an intervention broadly: any action, structure, relationship, or condition that alters the behavior or future trajectory of a system. That includes obvious interventions like legislation or protest, and less obvious ones — a sidewalk, a platform algorithm, a tax structure — that quietly shape behavior long after anyone remembers they were designed.

The framework organizes interventions into three domains: Top-Down (through policy and formal authority), Bottom-Up (through community and lived experience), and Middle-Out (through the institutions and networks that coordinate between the two). It also argues that lasting change depends less on any single intervention than on the coherence between interventions operating across all three — and that intervening well requires both force and care. As Martin Luther King Jr. put it, “power without love is reckless and abusive, and love without power is sentimental and anemic.”

See the full breakdown on the Frameworks page.

02 — WHY

Why This Library Exists

IDT began as a practical problem, not a theory. It grew out of systems mapping and resilience-planning work for Transforming Hawaiʻi’s Food Systems Together (THFT), a statewide initiative led by Dr. Albie Miles at the University of Hawaiʻi–West Oʻahu, where the question was concrete: which interventions would actually strengthen Hawaiʻi’s food security? Answering it raised bigger questions — what counts as an intervention, and what portfolio of interventions is required to move a system at all — that turned out to apply well beyond food systems.

This library is where those questions get tested against real cases: pattern by pattern, from a free-hugs campaign to a Supreme Court ruling, mapped by intervention type, country, emotional tone, and the Love/Power dynamic each one expresses.

03 — WHO

Who’s Behind This