Climate Trends

Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPSA lock ( Lock Locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. Human activities are changing the climate. The evidence for warming across multiple aspects of the Earth system is incontrovertible, and the science is unequivocal that increases in atmospheric greenhouse gases are driving many observed trends and changes (KM 3.1). There are more greenhouse gases in the atmosphere primarily because humans have burned and continue to burn fossil fuels for transportation and energy generation.1 Industrial processes, deforestation, and agricultural practices also

Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPSA lock ( Lock Locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. Human activities are changing the climate. The evidence for warming across multiple aspects of the Earth system is incontrovertible, and the science is unequivocal that increases in atmospheric greenhouse gases are driving many observed trends and changes (KM 3.1). There are more greenhouse gases in t