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Looking for facts and information? See About the Cryosphere.
Icelights: Answers to your burning questions about ice and climate
What's hot in the news around climate and sea ice and what are scientists talking about now? Read more...
What is the Cryosphere?
When scientists talk about the cryosphere, they mean the places on Earth where water is in its solid form, frozen into ice or snow. Read more ...
Processes that affect the growth and melt of sea ice are referred to as thermodynamics. Due to the dynamic nature of the ocean, sea ice does not simply grow and melt in a single place. Instead, sea ice is constantly moving and changing location.
Arctic Sea Ice News & Analysis: Read scientific analysis on Arctic sea ice conditions. We provide an update during the first week of each month, or more frequently as conditions warrant.
Icelights: Get answers to your burning questions about ice and climate.