Date on which the Environmental Protection Agency unveiled the final version of its Clean Power Plan requiring states to cut climate-warming carbon emissions from power plants: 8/3/2015

Percent by which the EPA rules aim to cut carbon dioxide emissions by the year 2030: 32

Estimated number of premature deaths the Clean Power Plan will prevent: up to 3,600

Number of states where the attorneys general are petitioning a federal court to block the new EPA rules: 15

Of those 15 states, number in the South: 6

Date by which the petition seeks a ruling: 9/8/2015

Rank of coal-dependent West Virginia among states leading the charge against the rules: 1

Rank of the West Virginia state capital of Charleston among the 10 U.S. cities expected to face the most dangerous heat and humidity days by 2050: 1

Number of "danger days" Charleston can expect by then: 168

Rank of Asheville, North Carolina among the cities expected to face the most "danger days" by 2050: 2

Date on which North Carolina Gov. Pat McCrory said his administration also plans to mount a legal challenge to the Clean Power Plan: 8/3/2015

Percent of North Carolina voters who say they support the Clean Power Plan: 63

Of the six states expected to experience the most heat danger days by 2050, number in the South: 6

Number of states where the attorneys general are opposing the challenge to the EPA rule: 14

Of those 14 states, number in the South: 0

(Click on figure to go to source.)