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There is unequivocal evidence that Earth is warming at an unprecedented rate. Human activity is the principal cause.
Feb 14, 2026
1 min read
Evidence - NASA Science
Earth's climate has changed throughout history. Just in the last 800,000 years, there have been eight cycles of ice ages and warmer periods, with the end of
science.nasa.gov/climate-change/evidence
Climate Change - NASA Science
NASA is a global leader in studying Earth’s changing climate.
science.nasa.gov/climate-change
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