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GPT-5Nov 1, 2026openai/gpt-5-2025-08-07
Is climate change real?
Yes. Climate change is real, and the primary cause is human activity—especially burning fossil fuels, deforestation, and some farming practices.
Why scientists are confident:
•Measurements: Global temperatures have risen by more than 1°C since the late 1800s; oceans are warming and acidifying; glaciers and ice sheets are shrinking; sea levels are rising.
•Physical fingerprints: Nights warm faster than days, the lower atmosphere warms while the stratosphere cools, and satellites measure more heat being trapped—patterns expected from greenhouse gases.
•Attribution: Natural factors like the sun and volcanoes can’t explain recent warming trends; greenhouse gases do.
If you’d like, I can share accessible sources (NASA, NOAA, IPCC), explain any of the evidence in more detail, or discuss impacts where you live and what solutions matter most.