Is climate change real?

Yes. Climate change is real, and the primary driver of the current warming is human activity—mainly burning fossil fuels and deforestation.

Key evidence:

•Global temperatures have risen about 1.2°C (2.2°F) since the late 1800s; the last decade has been the warmest in the instrumental record.

•Atmospheric CO2 has increased from ~280 ppm before the industrial era to over 420 ppm today, strengthening the greenhouse effect.

•Ice is melting (glaciers, Greenland/Antarctica, Arctic sea ice), and sea level has risen roughly 8 inches (about 20 cm) since 1900.

•Oceans are warming and becoming more acidic.

•Heat waves, heavy rainfall events, and wildfire conditions are becoming more frequent or intense in many regions.

•Climate models match observed warming only when human greenhouse gases are included; natural factors alone can’t explain it.

If you’d like, I can dig into any of these lines of evidence, discuss impacts where you live, or suggest high-impact actions.

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