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This short video from Climate Central explains the technology used to monitor changes in Arctic sea ice. Long-term tracking (since the late 1970's) shows Arctic sea ice has been on a steady decline and this could have significant implications for global temperatures.
Subject: Environmental Science:Global Change and Climate:Climate Change:Impacts of climate change, Recent climate data, Geoscience:Atmospheric Science:Climate Change:Impacts of climate change, Recent climate data, Geoscience:Atmospheric Science:Climatology Resource Type: Audio/Visual:Animations/Video Grade Level: Middle (6-8), High School (9-12) Theme: Teach the Earth:Enhancing your Teaching:NGSS, Teach the Earth:Course Topics:Environmental Science, Teach the Earth:Incorporating Societal Issues:Climate Change, Teach the Earth:Course Topics:Atmospheric Science