Iterative A/B Testing for Social Impact: Rigorous, Rapid, Regular
How organizations can close the gap between measurement and implementation
Sectors - Most Popular
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Need a Boost? 14 Stories That Inspired Us in 2025
Innovation stories on collaborating for greater impact, protecting and preserving history, affordable housing, an inspiring model of civic leadership, and more.
A World of Innovation
A look at the issues and articles that resonated most with SSIR’s local language edition readers in 2025.
The 10 Most Popular SSIR Articles of 2025
Building collective capacity; AI's power for the greater good; grappling with systems collapse; lessons from collaborative philanthropy; and more.
There Is No Such Thing as Impact Investing
There is philanthropic investing, and there is commercial investing, and there is nothing in between.
When USAID Shut Down, Its Lessons Nearly Vanished. AI Helped Recover Them
A final sweep of 60 years of evidence reveals durable truths about how development succeeds and fails.
America at a Crossroads
The Winter 2026 issue focuses on the crisis of US democracy and how it might be resolved.