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Climate Vulnerability Index

Based on the peer-reviewed journal article, Characterizing vulnerabilities to climate change across the United States, a dashboard and an interactive map of the U.S. designed by Darkhorse Analytics, the CVI allows users to search by location and view their overall climate vulnerability and the conditions that shape it – from quality of housing and access to supermarkets to proximity to toxic waste sites and number of deaths from air pollution. For example, census tracts in Houston’s Settegast community rank in the 99th percentile for overall vulnerability. The CVI shows what is driving vulnerability, including low chronic disease prevention, high exposure to harmful pollutants like soot and inadequate access to fresh, nutritious food.

Pulling in 184 sets of data to rank more than 70,000 U.S. Census tracts, the U.S. Climate Vulnerability Index helps users see which communities face the greatest challenges from the impacts of a changing climate. This tool shows what factors are driving the challenges, so policymakers and communities themselves can take action to build climate resilience where it is needed most.

You can interact with the map by:

  • Searching for a location
  • Zooming and panning across different areas
  • Clicking on a location for more details
  • Adjusting the map scale filter to focus on higher vulnerability locations

Searching for Energy, the CVI map shows the sources, availability, and affodability of energy in every U.S. census tract. Zooming in on the Chicago area, for example, shows that some census tracts, such as South Side, are ranked as having the “highest vulnerability” rating, in the 95-99 percentile compared with other locations across the country. Other locations in Chicago are much less vulnerable, ranking as low as 18th percentile in terms of energy vulnerabiilty.

Report recommends strategy for managed gas transition in Illinois
FeaturedPress Release

Report: managed gas transition strategies for Illinois

A new report finds that Illinois’ largest gas utilities’ current capital spending on gas systems will raise customers' rates sharply and could lead to stranded assets of $80 billion by 2050. To avoid this costly path, the report recommends a strategically managed gas transition to clean, renewable energy sources, which will also reduce the climate and air pollution Illinois currently experiences, particularly in environmental justice and low-income communities.
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Massachusetts outlines new strategy for getting customers and utilities off gas

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Blog

Illinois Approves Electric Rate Encouraging Use of Clean Affordable Energy

For the first time in Illinois’ history, all Commonwealth Edison (ComEd) residential customers will soon have the power to opt into a time-of-use rate option that will help them save money on their monthly energy bills by shifting usage to times of day when energy tends to be more affordable and cleaner. Previously, the time-of-use rate was open to fewer than 2,000 customers at a time. Of the customers that were allowed to participate, more than 98% benefited from bill savings. Designed to be similar to that successful pilot, the new Rate BEST option was approved by the Illinois Commerce Commission at its July meeting in Springfield. The rate will be available to customers in June 2026. The Commission also recently approved a program that will give competitive energy suppliers access to the data they need to develop their own competitive time-varying rates plans before June 2026. “Starting in June 2026, ComEd’s Rate BEST option will help IL residential customers who want more control over their energy bills,” said Curt Stokes, Director and Senior Attorney at Environmental Defense Fund. “EDF and our partner, the Citizens Utility Board, have long fought for innovative rate designs that enable customers to save money by accessing cleaner, more affordable energy. Rate BEST will help Illinois customers choose a new time-of-use electricity rate designed to align with their energy usage patterns and benefit from a more sustainable and equitable energy future."
Naomi Davis, the founder of Blacks in Green, speaks to a crowd in downtown Chicago at a March 27 protest of Peoples Gas’ proposed rate increase. (Capitol News Illinois photo by Andrew Adams)
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Advocates Call on Regulators to Reject Natural Gas Rate Increases

Consumer advocates, environmentalists and Chicago residents gathered in front of the Chicago offices of Peoples Gas this week to call on the Illinois Commerce Commission to reject a proposed rate increase from the gas utility.