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GPT-5Oct 15, 2026openai/gpt-5-2025-08-07
Is climate change real?
Yes. Climate change is real, and the primary driver of the recent, rapid warming is human activity—mainly burning fossil fuels that add heat‑trapping gases (like CO2 and methane) to the atmosphere.
What shows it’s happening:
•Global temperatures have risen sharply since the late 1800s, with the last decade the warmest in the instrumental record.
•Oceans are storing more heat, sea levels are rising, and glaciers/ice sheets are losing mass.
•Extreme heat waves, heavy rainfall events, and wildfire conditions are becoming more frequent or intense in many regions.
•Atmospheric CO2 is now well above pre‑industrial levels (over 420 ppm), and its rise matches known human emissions.
Natural factors (solar cycles, volcanoes) can’t explain the observed pattern and pace of warming; greenhouse gases do. If you’d like, I can point you to consensus reports (e.g., IPCC, U.S. National Climate Assessment) or summarize expected impacts where you live.