CO2 is back in the headlines as climate policy, emissions, and energy shifts tee up battles over heat, drought, and gas supply. Brief bio: CO2 is a colorless gas (CO2) from burning/fossil fuels, respiration, and some plant processes.
Multiple US states and cities have filed a lawsuit against the Trump administration's decision to revoke the 2009 endangerment finding, which classified greenhouse gases as threats to health and welfare. The move aims to reinstate climate protections and challenge deregulation efforts that could increase pollution and natural disaster risks.