Glaciers

• Why Greenland Matters for a Warming World - The fate of the world’s largest island has outsize importance for billions of people on the planet, because as the climate warms, Greenland is losing ice. That has consequences.
• How a Research Trip to Antarctica Deals With Time Zones - The clocks aboard our icebreaker will be changed several times en route to Antarctica. It’s one of many things that make the expedition feel otherworldly.