<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Lewis, Simon L</style></author><author><style face="normal" font="default" size="100%">Maslin, Mark A</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Defining the anthropocene.</style></title><secondary-title><style face="normal" font="default" size="100%">Nature</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Nature</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Agriculture</style></keyword><keyword><style  face="normal" font="default" size="100%">Atmosphere</style></keyword><keyword><style  face="normal" font="default" size="100%">Carbon Dioxide</style></keyword><keyword><style  face="normal" font="default" size="100%">Chronology as Topic</style></keyword><keyword><style  face="normal" font="default" size="100%">Environment</style></keyword><keyword><style  face="normal" font="default" size="100%">Geology</style></keyword><keyword><style  face="normal" font="default" size="100%">History, 15th Century</style></keyword><keyword><style  face="normal" font="default" size="100%">History, 16th Century</style></keyword><keyword><style  face="normal" font="default" size="100%">History, 17th Century</style></keyword><keyword><style  face="normal" font="default" size="100%">History, 18th Century</style></keyword><keyword><style  face="normal" font="default" size="100%">History, 19th Century</style></keyword><keyword><style  face="normal" font="default" size="100%">History, 20th Century</style></keyword><keyword><style  face="normal" font="default" size="100%">History, 21st Century</style></keyword><keyword><style  face="normal" font="default" size="100%">Human Activities</style></keyword><keyword><style  face="normal" font="default" size="100%">Industry</style></keyword><keyword><style  face="normal" font="default" size="100%">Population Dynamics</style></keyword><keyword><style  face="normal" font="default" size="100%">Time Factors</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2015 Mar 12</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/25762280</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">519</style></volume><pages><style face="normal" font="default" size="100%">171-80</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Time is divided by geologists according to marked shifts in Earth&#039;s state. Recent global environmental changes suggest that Earth may have entered a new human-dominated geological epoch, the Anthropocene. Here we review the historical genesis of the idea and assess anthropogenic signatures in the geological record against the formal requirements for the recognition of a new epoch. The evidence suggests that of the various proposed dates two do appear to conform to the criteria to mark the beginning of the Anthropocene: 1610 and 1964. The formal establishment of an Anthropocene Epoch would mark a fundamental change in the relationship between humans and the Earth system.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">7542</style></issue><notes><style face="normal" font="default" size="100%">http://www.nature.com/nature/journal/v519/n7542/full/nature14258.html</style></notes><custom1><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/25762280?dopt=Abstract</style></custom1></record></records></xml>