18 Artist with climate scientist Craig Tweedie, thirty feet below a giant ice wedge in research ice cavern dated 75,000 years, Utqiagik, Alaska

Artist with climate scientist Craig Tweedie, thirty feet below a giant ice wedge in research ice cavern dated 75,000 years, Utqiagik, AK

Artist with Climate Scientist Craig Tweedie in ice cavern dated back 75,000 years, Utqiagik, AK.