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Vivid data-based maps allow people to see how key equity burdens, including asthma rates and the relative cost of energy bills, impact neighborhoods, cities, and states. The info serves as foundational data for building better policies, programs, and laws that address climate change and rectify a history of social and environmental injustices. Every census tract across the country has undergone thorough data analysis, making GEM accessible, powerful and effective.

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Cities, states, and organizations across the country are using GEM to reduce their carbon emissions, upgrade the grid through energy efficiency and clean power sources, channel funding towards under-resourced communities, and transform political processes so they’re community driven and generative.

GEM's data have been sourced from both public and private entities, analyzed for every census tract across the country, and reviewed by the Georgia Institute of Technology, the University of Michigan, and the University of California Los Angeles. 

Our Impacts












Using GEM to Guide Policy

Achieving Equity Through
Data-Driven Processes

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Non-white communities are disproportionately harmed by environmental and social hazards and are therefore far more likely to live in areas with extreme weather events, heavy pollution, fragile infrastructure, and higher energy bills. The equity movement seeks to correct the flawed policies that led to injustices and develop regulations that work to create a sustainable, inclusive, and fair future. 

To get there, cities small and large can reorient their governance structures to approach climate solutions through a racial equity and justice lens. The transition towards a low-carbon economy requires good data and stronger collaborative processes between city staff and the communities disproportionately impacted by a cluster of inequities. Cities that partner with residents can accelerate climate action by identifying more realistic and long-term solutions, avoiding negative collateral, and increasing capacity to implement solutions. For many people, this approach is new and unclear.


A Process Guide for
City-Community Collaboration

We developed a Process Guide for City-Community Collaboration that supports the development of fair and inclusive policies based on the data produced by GEM. Using the GEM Platform and the Process Guide in tandem serves as a powerful guide to shifting the norms within climate equity work, institutionalizing accountability for positive outcomes, distributing resources to the highest-need areas, and solving climate change together.


Using the GEM Process Guide

What People are Saying About GEM


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"This is phenomenal! One of the most beautiful things I've seen in my time in this job."

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Brandy Brown, Climate and Energy Advisor, Michigan Department of Environment

"The addition of GEM to Greenlink Analytics’ services to gather intelligence from your maps is truly fantastic service and one that will greatly help cities on their journey towards more equitable, inclusive, and sustainable communities." 

Chris Castro, Director, Office of Sustainability & Resilience,
City of Orlando 

“When we saw the GEM app, I said this is it. This is the information we needed! It’s so helpful to have something we can show as visual and spatial proof. Group facilitation practices in the Community of

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Practice are so helpful; I have learned so much from experts in the field across the country."

Cheyenne Flores, Climate Resilience Fellow at the City of Philadelphia


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Learn How You Can Incorporate GEM Into Your Environmental Planning