What Is the Cryosphere and Why 2°C Is Too High?

A Climate Class on the Cryosphere The cryosphere encompasses all the frozen water on Earth, including glaciers, ice sheets, sea ice, snow, and permafrost. These frozen regions play a critical role in regulating the planet’s climate. They not only reflect sunlight, cooling the Earth, but also store vast amounts of carbon, help regulate ocean currents, […]

The Arctic’s Role in Global Climate: Why Protecting It Matters

At Global Choices, we are focused on protecting the Central Arctic Ocean, but why? The Arctic Ocean plays a crucial role in global climate regulation and the overall health of marine ecosystems. This unique and fragile environment is not just a remote, icy wilderness—it is a vital component of our planet’s climate system and has […]