magnetic fields
-
In Ancient Rocks, Scientists See a Climate Cycle Working Across Deep Time
A gradual shift in Earth’s orbit that repeats every 405,000 years plays a role in natural climate swings.
-
When North Itself Wanders
I love thinking about why my compass points north. The deep, molten-metal motions, rising And falling … gargantuan currents of iron Conceiving vast magnetic fields, revealed In my hand, by a tiny, quivering red needle.
-
Solar Heartbeat
Upon our little spinning rock, Cosmic rays and debris knock. Through great fields and waves we race, Not empty, our broad path through space!
During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
