Human activities are altering ecological systems on a global scale.
{"Image DocumentName": "Human activities are altering ecological systems on a global scale.", "Image ImageDescription": "Concept 42.5 Human Activities Affect Ecological Systems on a Global Scale. Human activities are altering ecological systems on a global scale. Some have suggested we are entering a new geological period, the Anthropocene. We are changing the distributions of organisms, vegetation, and topography, as well as Earth\u2019s climate.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}