Climate change has led to the United States warming up by 2.6 °F since 1970. In 2023, the global average near-surface temperature reached 1.45 °C above pre-industrial levels, making it the warmest yea
Annual temperatures averaged across the U.S. have exceeded the 1971–2000 average almost every year in the 21st century.
Hotter temperatures and drier weather due to climate change has been linked to wildfires, such as those in California in 2020.
A dry lakebed in California in its worst megadrought in 1,200 years, intensified by climate change, causing water rationing in the state.
Western United States
The United States produced 7 billion metric tons of carbon dioxide equivalent greenhouse gas emissions in 2025, the second largest in the world after greenhouse gas emissions by China and among the co
Transportation is the largest source of greenhouse gas emissions in the U.S.
CO2 emissions from the US electric power sector