The Trump administration repealed the EPA’s 2009 determination that greenhouse gases are a pollutant, an important legal foundation for their regulation.By Kiley BenseThe Trump administration moved today to overturn a key legal foundation of the federal government’s authority to regulate greenhouse gases. In a press conference at the White House, President Donald Trump hailed the move as “the single largest deregulatory action in American history.”
Observations from the Little Bunker
Last updated: February 24, 2026 10:22 PM
Atmospheric CO₂
429.9 ppm
+17.3
ppm/year
Atmospheric CH₄
1946.47 ppb
+6.49
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year