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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.
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.
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.
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 showing annual Greenland and Antarctic ice mass loss based on GRACE and GRACE-FO satellite data.
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.
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.
Vital Signs of the Planet: Global Climate Change and Global Warming. Current news and data streams about global warming and climate change from NASA.
Earth’s global average surface temperature in 2020 tied with 2016 as the warmest year on record, according to an analysis by NASA.
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.