by the environment or if this environment is mastered by man, it's perhaps better to single out three kinds of relationships between man and nature which don't overlap at all : passive relationships, active relationships, imagined relationships. -the myth of the unitu of geography : the ambition of geography is to be comprehensive, but it is often a mere juxtaposition of miscellaneous items, which leads to a vain and useless accumulation. The idea is to pick up a leading theme which makes it possible to organise various elements of knowledge around it. It is then possible to draw a line between a closed science and an open science which is structured by the selection of a leading theme. -the ambiguities of the concept of region : the diff...