Mankind leaves mark on the planet with the end of the 12,000-year Holocene agehttp://www.independent.co.uk/news/science/mankind-leaves-mark-on-the-planet-with-the-end-of-the-12000year-holocene-age-1936725.html by transmit101 • 16 years ago 1 0 16 years agoINindependent.co.uk