The 6,000 Year-Old Force Behind Dramatic Global Ecological Change

It’s hard to deny that humans are shaping planet Earth: from atmospheric composition to urban heat islands and widespread habitat loss, “before” and “after” comparisons reveal pervasive changes. These alterations are among the justifications for the proposed “Anthropocene” geologic epoch, which recongizes the dominant role of human activity on a number of planetary parameters. And while the most dramatic changes have occurred since the Industrial Revolution, a new study suggests that our anc

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