
Ice Caps
Researchers discover how the Earth’s ice caps first formed
Earth’s icehouse state is rare. A new study reveals how tectonics, weathering, and CO₂ levels create ice caps and why they may not last.
Joshua Shavit

Earth’s icehouse state is rare. A new study reveals how tectonics, weathering, and CO₂ levels create ice caps and why they may not last.
Joshua Shavit