In my travels to nearly 90 countries, I’ve never encountered a landscape as distinct as the Alaskan tundra. Its surface—thick with mosses and lichens—feels like stepping on memory foam: a bed of countless delicate plants that withstand the Arctic cold. This biome offers a powerful testament to life’s ability to persist under extreme conditions. But the tundra is changing. Warming temperatures are killing vegetation, increasing wildfires, and thawing permafrost. This accelerates the release of gr...