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William Ruddiman

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description William Ruddiman Overview

William F. Ruddiman is an American paleoclimatologist and professor emeritus at the University of Virginia. He is best known for formulating the early Anthropocene hypothesis, published in his 2005 book "Plows, Plagues, and Petroleum," which argues that human agriculture and deforestation began raising atmospheric CO2 and methane levels roughly 8,000 and 5,000 years ago, respectively. This challenged the prevailing view that significant human climate influence began only with the Industrial Revolution.

His work draws on records from polar ice cores and orbital climate cycle research.

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What is William Ruddiman's early Anthropocene hypothesis?

William F. Ruddiman's hypothesis argues that human-induced climate change began thousands of years ago, rather than during the Industrial Revolution. He posits that early human agriculture and widespread deforestation significantly altered greenhouse gas levels in the atmosphere.

Where did William Ruddiman conduct his academic research?

Ruddiman is an American paleoclimatologist who spent much of his career as a professor emeritus at the University of Virginia. He significantly advanced the field of climate science through his research on orbital-scale climate change.

What book did William Ruddiman write about the early Anthropocene?

Ruddiman published his foundational ideas in the 2005 book titled "Plows, Plagues, and Petroleum." In this work, he outlines how both early farming and historical disease outbreaks affected global carbon cycles.

How does Ruddiman's view of the Anthropocene differ from the standard scientific consensus?

While many scientists place the start of the Anthropocene in the industrial era, Ruddiman argues it began thousands of years ago with the dawn of farming. He uses ice core data showing ancient rises in carbon dioxide and methane to support his early agriculture theory.

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