2. Man and nature through times
Homo sapiens sapiens has been interacting with the natural world since it appeared on the face of the
Earth.
Over time and with the evolution of its cultural abilities, he has incredibly expanded its skills to
modify natural environments, but it is only for a very short time if we compare it to the period for
which it is supposed to have appeared on Earth: the human species has been rapidly and deeply
intervening on the cycles of the entire biosphere, bringing water, air, soil, light where he wanted.
Our species has not only perfected its ability to adapt in the different natural environments present on
Earth, but he has also modified the environments themselves in greater proportions than those due to
the intervention destroying a lot of living species’ habitats in a very short time.
Today there is no place in the biosphere where human intervention has not come in some way, directly
or indirectly; given that, what it is interesting the evolution of reasoning that is behind the relation
between men and nature.
2.1 Greeks
In ancient Greece, the man-environment relationship was a unitary whole, an anthropocentric vision
in which the human being is the focal center in natural reality, the only and undisputed ruler, but
nature has a double nature: it is both a locus amenus synonymous with peace, wonder, serenity but is
also horrifying, unstable, dangerous and merciless (locus horridus).
According to Plato, the world is compared to a machine in which all nature is a living organism, this
one tends towards the good, for this reason, men must do their part not obeying private interests at
the expense of others, but aspire to sobriety, controlling appetites. In his Theory of greatness man, a
human being can pursuit excellence, being virtuous and therefore in harmony with nature: it is a circle
that is destined not to break if the values such as simplicity and frugality are pursued.
A factor that deviates the man from his path is luxury: the biggest manifestation of selfishness and
self-fulfillment. The sentiments that come from luxuries such as rivalry, jealousy and enviousness, as