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How humans are changing the world

Date:
February 2, 2011
Source:
University of Leicester
Summary:
Human influence on the landscape, global warming, sea level rise, ocean acidification and biodiversity are highlighted in a new set of studies.

Picture of Angkor Tom in Cambodia provides a striking metaphor for the Anthropocene.
Credit: Mark Williams, University of Leicester

Human influence on the landscape, global warming, sea level rise, ocean acidification and biodiversity are highlighted in a new set of studies led by University of Leicester researchers.

How this influence will be reflected in the distinctive geological record forms the basis of the studies published in Philosophical Transactions of the Royal Society A.

Jan Zalasiewicz and Mark Williams from the University of Leicester Department of Geology led the production of the studies into the Anthropocene -- a new geological epoch distinguished by the change that man has wrought upon the earth.

Dr Zalasiewicz said: "At the beginning of this millennium, the Nobel Prize winning chemist Paul Crutzen suggested that we are now living in a new geological interval of time that is dominated by human activities. He termed this the Anthropocene. Since then, the Anthropocene has increasingly been used both by scientists and by the public as in indication of the scale of human change to planet Earth.

"Our new studies published in Philosophical Transactions of the Royal Society A feature nearly 70 scientists -- including Paul Crutzen himself, Sir Crispin Tickell, Professor Will Steffen and many others.

"The results give us a much clearer picture of the way in which we are changing the world -- and of how long these changes might last."

The authors contend that recent human activity, including stunning population growth, sprawling megacities and increased use of fossil fuels, have changed the planet to such an extent that we are entering what they call the Anthropocene (New Man) Epoch.

They add: "The Anthropocene represents a new phase in the history of both humankind and of the Earth, when natural forces and human forces became intertwined, so that the fate of one determines the fate of the other. Geologically, this is a remarkable episode in the history of this planet."


Story Source:

The above story is based on materials provided by University of Leicester. Note: Materials may be edited for content and length.


Cite This Page:

University of Leicester. "How humans are changing the world." ScienceDaily. ScienceDaily, 2 February 2011. <www.sciencedaily.com/releases/2011/02/110202072216.htm>.
University of Leicester. (2011, February 2). How humans are changing the world. ScienceDaily. Retrieved July 29, 2014 from www.sciencedaily.com/releases/2011/02/110202072216.htm
University of Leicester. "How humans are changing the world." ScienceDaily. www.sciencedaily.com/releases/2011/02/110202072216.htm (accessed July 29, 2014).

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