Proof Engine Verification: Current global warming is primarily driven by natural climate cycles rather than human CO2 emissions.

Verdict: DISPROVED - Three independent authoritative sources (NOAA ×2, NASA) — all tier-5 government agencies — explicitly state that human greenhouse gas (GHG) emissions, not natural cycles, are the primary driver of current global warming. All three citations were verified live against the source pages (B1, B2, B3). - NOAA states: "Virtually all climate scientists agree that this increase in heat-trapping gases is the main reason** for the 1.8°F (1.0°C) rise in global average temperature since the late ninete