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A graph and an animated time series showing the change in global surface temperature relative to 1951-1980 average temperatures. The year 2023 is the warmest on record.
This color-coded map shows a progression of changing global surface temperatures since 1884. Dark blue indicates areas cooler than average. Dark red indicates areas warmer than average.
Sea level rise is caused primarily by two factors related to global warming: the added water from melting ice sheets and glaciers, and the expansion of seawater as it warms. The first graph tracks the change in global sea level since 1993, as observed by satellites.
Vital Signs of the Planet: Global Climate Change and Global Warming. Current news and data streams about global warming and climate change from NASA. Graphs and an animated time series showing atmospheric carbon dioxide levels from the last three glacial cycles to present day.
Continuing the planet's long-term warming trend, global temperatures in 2022 were 1.6 degrees Fahrenheit (0.89 degrees Celsius) above the average for NASA's baseline period (1951-1980), scientists from NASA's Goddard Institute for Space Studies (GISS) in New York reported.
Vital Signs of the Planet: Global Climate Change and Global Warming. Current news and data streams about global warming and climate change from NASA.
Color-coded map of changing global surface temperature anomalies from 1880 through 2022.
The last decade has seen global temperatures rise to the highest levels ever recorded. This graph illustrates the change in global surface temperature relative to 1951-1980 average temperatures. As shown by the red line, long-term trends are more apparent when temperatures are averaged over a 5-year period.
According to NASA GISS, global temperatures in 2018 were 1.5 degrees Fahrenheit (0.83 degrees Celsius) warmer than the 1951 to 1980 mean. Globally, 2018 was cooler than the previous three years. Collectively, the past five years are the warmest years in the modern record.
Current news and data streams about global warming and climate change from NASA. Graphs showing ocean heat content change from 1955 to present, based on observations from satellites and various ocean measurement devices.