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Global Change and Geographic Thought
Global change and geographic thought
Global Change

In the early 1960s, Bob Dylan wrote and sang a ballad titled “The Times They Are a-Changin’,” which socially, politically, and environmentally reflected the dynamic nature of the times (Rosenstone, 1969). The 60s were a period of significant social change in the United States, with protests about a number of topics including war, discrimination, and environmental degradation. Current times may be very different, but they are still “a-changin’,” with the early 21st century characterized by rapid social and biophysical change at scales from the local to the global.

Earth has experienced several periods of rapid transformation throughout its planetary history, but in the second half of the 20th century, a new and powerful driver of change ...

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