'Ultimate gift to future generations': plan to laser map all land on Earth

Project to record cultural, geological and environmental treasures at risk from climate crisis

A project to produce detailed maps of all the land on Earth through laser scanning has been revealed by researchers who say action is needed now to preserve a record of the world's cultural, environmental and geological treasures.

Prof Chris Fisher, an archaeologist from Colorado State University, said he founded the Earth Archive as a response to the climate crisis.