1 It is known that Geronimo is adopted, as explained in Kingdom of Fantasy II. 2  In the 2004 book La vera storia di Geronimo Stilton, it is mentioned that Geronimo doesn't know who his actual parents are, and that he was adopted by the Stiltons when he was at infant age.
The ecological footprint is a measure of human demand on the Earth's ecosystems, the amount of natural capital used each year.
The per person footprint in the United States is almost five times the world average, and almost ten times what would be sustainable. People consume resources and ecological services from all over the world, so their footprint is the sum of these areas, wherever they may be on the planet.. The Living Planet Report, 2006. Territory size shows the proportion of the worldwide ecological footprint which is made there.