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EPA lawsuit

Mar 5, 2026

Colorado challenges EPA rejection of regional haze plan

Colorado filed a lawsuit challenging the EPA’s rejection of its regional haze plan aimed at reducing air pollution and improving visibility in national parks.

Oct 16, 2025

Colorado sues EPA over canceled Solar for All funding

Colorado joins 22 states in suing the EPA for ending the $7 billion Solar for All program, which aimed to bring solar energy to low-income households.