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.
However, the ecological footprint is not as much a reflection of a person's standard of living as much as it is a reflection of a person's of style of living. 'In fact, this indicator is really a measure of a person's 'economic footprint'.