For example, the Arctic Circle, the Sahara Desert, the Himalayas, and the Amazon rainforest are all remote and/or inaccessible. Ask: What areas are less impacted by human activity? (Possible answers: the Amazon Rainforest, the Sahara Desert, Northern Canada, Northern Russia, and central Australia) What connections can you make between areas of less impact and geographic factors such as climate or physical landscape? Encourage students to notice that these areas tend to have a harsh climate and are remote or inaccessible due to physical features. Ask: What color is it on the map? How great is the human impact? Have students make a personal connection.Īsk students to find their hometown. Ask: What is the predominant color in North America? What level of impact does it signify? Invite volunteers to point out any patterns they notice, such as greater human impact near urban areas.ģ. Purple signifies areas most impacted by humans. Explain that green signifies areas least impacted by humans. Click on the legend tab in the top right side of the map and review the legend. Display the Human Footprint data layer on the MapMaker Interactive.ĭisplay the MapMaker Interactive with the Human Footprint layer selected. ![]() Ask: Why do you think these four factors have the most immediate impact?Ģ. While humans affect Earth in many ways, these four have the most immediate impact on wildlife and wild lands. Four factors were evaluated: population, travel routes, land use, and lights. ![]() ![]() Tell students that scientists with the Wildlife Conservation Society and Columbia University's Human Footprint Project mapped degrees of human influence over every square kilometer of Earth's surface (1 square kilometer =.
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