Summary:
- The article discusses Pennsylvania joining a multi-state lawsuit against the Environmental Protection Agency (EPA) for repealing the Greenhouse Gas Endangerment Finding.
- The Greenhouse Gas Endangerment Finding was a policy that recognized greenhouse gas emissions as a threat to public health and the environment, allowing the EPA to regulate them.
- The lawsuit aims to challenge the EPA's decision to repeal this finding, which could have significant implications for environmental regulations and efforts to address climate change.