Science experts have uncovered the exact spot - in a lake in Canada - that perfectly documents the impact of the human race on Earth and its link to climate change is impossible to ignore.Also: the NATO summit in Lithuania concludes with no official guarantees for Ukraine over membership and a clear divide on the issue between members.Plus: elite tennis-playing mothers and does Brad Pitt really make his own wine?This is the World in 10, your daily round up of the biggest global stories from The Times of London. You can hear more of these stories on Times Radio and read more at thetimes.co.uk. Hosted on Acast. See acast.com/privacy for more information.