Positives

• Seeing the changes to the Earth from satellite imagery is a powerful way to introduce students to a number related topics.
• The progression of images can be paused and clicked through at the student's pace.
  

Additional Prerequisites

• Students should be familiar with the terms deforestation, mining, expansion, meandering, urban, infrastructure, and glacier.
• Using wireless Internet or a slower connection may take longer for the images to load.
  

Differentiation

• Students can use this resource as a whole-class activity, in groups, or individually.
• Cross-curricular connections could be made with social studies, economics, and history classes when considering our current and historical use of land for agricultural purposes, natural resources, trade routes, or cities.
• Ecology courses could use this resource to identify areas where wild populations may have been fragmented or isolated and connect it to biodiversity loss using this resource, this video on humans and biodiversity.
• Other resources related to this topic include this Google Earth time lapse on urban sprawl, this sea level rise viewer, and the environmental impacts of food data explorer.