Human Environmental Problems Could Mean New Geological Age

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There are those who say that human beings aren’t responsible for the effects of global warming or various other environmental issues.

stripmineA German strip mine. Image by Ekem.

But according to some scientists, humans have affected the world so much that we actually need to change the name of the current geological era to reflect our impact.

We’re currently living in what is called the Holocene. The period started with the end of the last major ice age in 9600 B.C. It’s name translates to “entirely recent” in Greek. Several geologists at the University of Leicester and the Geological Society of London, however, want to change the name of this epoch to the Anthropocene (anthro for human) to reflect the effect of humans on the landscape.

The scientists have lobbied the International Commission on Stratigraphy, the international body in charge of naming geological epochs. They argue that humans have physically altered planet Earth and its ecology so markedly that a difference between pre- and post-industrial periods must be drawn.

They base their argument on what they describe as four major phenomena that differentiate the past and present. These phenomena are: a change in the worldwide patterns of sediment erosion and deposition, significant changes to the world’s carbon cycle and global temperatures, ocean acidification, and large scale changes to the planet’s animals and plants.

Jan Zalasiewicz, leader of the lobbying group and a geologist at University of Leicester, said: “Sufficient evidence has emerged of stratigraphically significant change for recognition of the Anthropocene – currently a vivid yet informal metaphor of global environmental change – as a new geological epoch.”

The name Anthropocene was coined by Nobel Prize winning chemist Paul Crutzen. He made an offhand remark in 2002 suggesting the name for the “new era” of growing human development and population.

Source: Telegraph

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