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The impact of El Niño on global temperatures and climate patterns
of —chiefly carbon dioxide, methane and nitrous oxide—have amplified Earth’s natural greenhouse effect and are the primary driver of the persistent upward shift in global hottest years over the past c...
Human emissions of heat‑trapping have driven near‑global warming of about 1.0–1.3°C (roughly 1.8–2.3°F) above the 1850–1900 baseline, with best estimates around 1.1°C (2.0°F) for recent decades, a con...
The best-available instrumental records and major scientific assessments show the planet’s average surface temperature has risen by about 1.0–1.2°C (≈1.8–2.2°F) since the late 19th century or the comm...