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
Climate & Atmosphere
Fundamental processes and indicators that drive Earth’s climate system.
What’s Wrong With Using Natural Gas for Power Plants?
Natural gas power plants emit less CO2 than coal when burned, but methane leaks, water use, habitat disruption, and health risks make them
October 24, 2025
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
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
Are Greenhouse Gases Good or Bad? The Balanced Answer
Greenhouse gases are essential for life because they keep Earth warm, yet excessive concentrations from human activities intensify the greenhouse effect, driving climate
October 23, 2025
Short-Term Climate Changes Explained Without the Jargon
Short‑term climate changes are weather‑scale fluctuations that last weeks to a few years, driven by natural patterns and human activities, and they can
October 22, 2025
