How Much Has Earth’s Temperature Changed Since 1900?
Earth’s average surface temperature has risen about 1.1 °C (2.0 °F) since 1900, a change driven largely by human‑added greenhouse gases and reflected in a
October 24, 2025
Long-Term Trends
How Fast Is the Ocean Rising Because of Global Warming?
The ocean is rising because warming waters expand and melting ice adds water, with the global average sea level climbing about 3.3 mm per
October 24, 2025
When Did the Largest Mass Extinction in Earth’s History Occur?
The largest mass extinction, known as the Permian‑Triassic or “Great Dying,” occurred about 252 million years ago, reshaping life on Earth and offering lessons
October 24, 2025
Will Global Warming Expand or Shrink the World’s Arable Land?
Global warming is expected to both expand and shrink the world’s arable land, with northern regions gaining potential farmland while many tropical and
October 23, 2025
Rising Sea Levels and the Great Barrier Reef: Harmful or Helpful?
Rising sea levels reshape the Great Barrier Reef, creating both threats and potential ecological adjustments, but the net effect is largely detrimental according
October 23, 2025
Why Greenland’s Ice Is Melting at Record Speed
Greenland’s ice sheet is melting at record speed because rising atmospheric and ocean temperatures, amplified by albedo feedback and dynamic ice processes, accelerate
October 23, 2025
