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Global Warming Teaching Circle

About This Collection

An opportunity to view a curated collection of short videos addressing the basic definition of sustainability and its relationship to global warming. The eight videos total just over one half hour of viewing time.  The recommended order is to start with three videos on the definition of suststainability (Merculieff, Cochran and the Survey) followed by the four videos on global warming (Furquan, NASA, Two Green Leaves, SAAMI youth, Merculieff).

Curated by mokiethecat

Published on Jun 2, 2016

NASA scientists used almost 30 years of data from t

NASA scientists utilized 30 years of Landsat satellite data to track vegetation changes across 4 million square miles of Alaska and Canada. Their findings reveal a significant "greening" trend, with 30% of the area showing increased vegetation, while only 3% experienced "browning."

This pioneering study, the first to provide continent-scale detail alongside local information, underscores the impact of rapid Arctic warming. Elevated temperatures lead to extended growing seasons and altered soils, transforming tundras into shrublands. Future research will investigate local factors influencing these greening patterns and explore forested regions.

For more information, visit NASA's feature page. The full study is available online.

EarthSayers Matthew Radcliff; Josh Tapen

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