Global Warming – Our Greatest Challenge, Peter Lemke
Trinity Climate Gateway, Trinity College Dublin, Ireland and Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven
(Status: March 8th, 2026)
The current state of Earth’s climate is the result of a long-term and continuous development. It is like a mere snapshot from a lengthy film of the Earth’s history that has lasted around 4.5 billion years and which is still running. Climate fluctuations are documented by geological findings (marine sediment cores: several million years; ice cores: 800,000 years), by tree rings (10,000 years), historical records (1000 years) and by modern instruments (e.g. thermometers and barometers, 250 years).
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