BBC Wildlife Magazine - - Wild News -

As ge­o­log­i­cal time-scales go, we are most fa­mil­iar with the pe­ri­ods (Juras­sic, Cambrian etc), which are sub­di­vided into epochs. Many be­lieve we are en­ter­ing a new epoch – the Anthropoce­ne, which recog­nises the in­flu­ence of hu­mans on Earth’s bi­o­log­i­cal, at­mo­spheric and ge­o­log­i­cal sys­tems. There’s much de­bate over ex­actly when the Anthropoce­ne started. One pos­si­bil­ity is 1945, the date of the first nu­clear tests, which will leave a dis­tinc­tive ra­dioac­tive sig­na­ture in the rock strata of the fu­ture.

Nu­clear test­ing marks our epoch out from oth­ers.

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