Its not a long time, twenty-five years. ESRI [ @Esri ] has produced some excellent comparative analyses of Human activities that are reshaping the Earth's surface using 1990 Landsat imagery [left] and Esri’s World Imagery basemap [right] Links LandSat Comparison - Story Map ESRI Story Maps LandSat
Impressive. The Melbourne Girls College won the Zayed Future Energy Prize in the category of Global Schools - Oceania back in January of this year. Seems somewhat 'unheralded' but worthy of recognition. The Zayed Future Energy Prize represents the vision of the Late Founding Father and President of the United Arab Emirates, Sheikh Zayed bin Sultan al Nahyan, who championed environmental stewardship.…