Climate change - Wikipedia
https://en.wikipedia.org/wiki/Climate_changeIn common usage, climate change describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes to Earth's climate. The current rise in global average temperature is more rapid than previous changes, and is primarily caused by humans burning fossil fuels. Fossil fuel use, deforestation, and some agricultural and industrial practices increase
Global Warming - NASA
earthobservatory.nasa.gov › features › GlobalWarmingGlobal warming is the unusually rapid increase in Earth’s average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels. How Does Today’s Warming Compare to Past Climate Change? Earth has experienced climate change in the past without help from humanity.