New World New World New World New World New World

A pretty staid group has made a major decision. We are living in a new age.

"The London Society is the world's oldest association of Earth scientists, founded in 1807, and its Commission acts as a college of cardinals in the adjudication of the geological time-scale. Stratigraphers slice up Earth's history as preserved in sedimentary strata into hierarchies of eons, eras, periods, and epochs marked by the "golden spikes" of mass extinctions, speciation events, and abrupt changes in atmospheric chemistry.
Although the idea of the "Anthropocene" -- an Earth epoch defined by the emergence of urban-industrial society as a geological force -- has been long debated, stratigraphers have refused to acknowledge compelling evidence for its advent.
...At least for the London Society, that position has now been revised.
To the question "Are we now living in the Anthropocene?" the 21 members of the Commission unanimously answer "yes." They adduce robust evidence that the Holocene epoch -- the interglacial span of unusually stable climate that has allowed the rapid evolution of agriculture and urban civilization -- has ended and that the Earth has entered "a stratigraphic interval without close parallel in the last several million years." In addition to the buildup of greenhouse gases, the stratigraphers cite human landscape transformation which "now exceeds [annual] natural sediment production by an order of magnitude," the ominous acidification of the oceans, and the relentless destruction of biota.
This new age, they explain, is defined both by the heating trend (whose closest analogue may be the catastrophe known as the Paleocene Eocene Thermal Maximum, 56 million years ago) and by the radical instability expected of future environments. In somber prose, they warn that "the combination of extinctions, global species migrations and the widespread replacement of natural vegetation with agricultural monocultures is producing a distinctive contemporary biostratigraphic signal. These effects are permanent, as future evolution will take place from surviving (and frequently anthropogenically relocated) stocks." Evolution itself, in other words, has been forced into a new trajectory. " LINK