Eric Walker added Early Holocene sea level rise - Wikipedia to Holocene
Eric Walker added Holocene - Wikipedia to Holocene
Eric Walker added The Anthropocene epoch: have we entered a new phase of planetary history? | Environment | The Guardian to a number of topics
Eric Walker added Megafauna - Wikipedia to Holocene and Animalia
Eric Walker added a number of topics and a number of links to Geologic time scale (GTS), and added Geologic time scale (GTS) to Geology and History, prehistory and geologic time
Eric Walker added a number of links to Holocene, and added Holocene to Geologic time scale (GTS)