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UC Berkeley Unleashes Revolutionary Kigali Sim Tool to Boost UN's Fight Against Global Pollution

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Published on December 11, 2025
UC Berkeley Unleashes Revolutionary Kigali Sim Tool to Boost UN's Fight Against Global PollutionSource: brainchildvn on Flickr, CC BY 2.0, via Wikimedia Commons

The climate crisis presents colossal challenges, but hope isn't lost, especially not with UC Berkeley's latest gift to the planet. The Eric and Wendy Schmidt Center for Data Science & Environment, operating under UC Berkeley’s banner, has introduced a groundbreaking analytical weapon in the battle against global pollution. The digital tool, christened Kigali Sim, is an open-source offering that promises to arm United Nations policymakers with the critical insights necessary to implement effective environmental regulations and meet climate targets. In partnership with the UN, the tool aims to curtail the spiraling emissions of highly potent greenhouse gases.

Serving as a bridge between academic innovation and global policy, Kigali Sim simulates the long-term effects of various policy interventions, shedding light on future outcomes with remarkable efficiency and simplicity. Its debut, as noted by the UC Berkeley College of Computing, Data Science, and Society, marks a pivotal moment in international environmental efforts. This isn’t just another intuitive platform; it's a pivotal asset that has been crafted without requiring users to possess advanced coding knowledge. A tool designed for diverse technical proficiencies to tackle a common global affliction.

Enthusiasm for Kigali Sim's potential is palpable. Sam Pottinger, senior research data scientist at Schmidt DSE and lead developer, conveyed the profound impact and accessibility of Kigali Sim: "The tool simulates possible outcomes of policy interventions with greater efficiency and ease than previously possible." Meanwhile, Balaji Natarajan, part of the Secretariat of the Multilateral Fund for the Implementation of the Montreal Protocol, heralded the tool's efficiency, telling UC Berkeley College of Computing, Data Science, and Society, "This tool provided a depth of policy analysis in under three hours that would have previously taken me three days to produce."

Earlier tools developed by Pottinger's team at Berkeley have paved the way for monumental environmental treaties, including efforts to combat plastic pollution. Although a global deal has yet to be solidified, as mentioned by NBC Bay Area, these initiatives have paved the way for Kigali Sim and its focused efforts on mitigating greenhouse gases. Emphasizing the significance of these gases, often found in the cooling systems of our homes and cars as well as burgeoning data centers, the tool empowers nations to envision and enact change. It offers not mere speculation but informed projections of different policy consequences.