  Humankind has spread worldwide supported by cultural and technological
knowledge, but the environmental sustainability on the human niche evolution
depends on a new human beings relationship with the biosphere. Human lifestyles
nowadays are very Antropocentric and in many ways deleterious to the other life
forms. Here we try to identify future scenarios, where the less deleterious is
the Natural-Technological Model that points the urgent need to change the
evolutionary direction of the human niche seeking the resumption of original
ecological relations. New cultural habits and novel technologies, thereby,
would reverse the current anthropogenic impacts. The middle way is the
Bio-Anthropogenic Model that predicts the success of the emerging ecosystems
and the symbiotic relationship of humans and anthropogenic-favored species,
hybrids, aliens and genetically modified organisms. For such, we must also
change our way of life and adopt new conscious ways of consumption aiming at
the socio-environmental good. Lastly, the Wear Out Model, which depends only on
maintaining current patterns of human expansion. The lack of investments on new
technologies and new cultural habits, added to the current patterns of human
niche evolution that are based on the massive exploitation of world resources,
will lead to a fearsome scenario with a precarious global health, biodiversity
losses and food scarcity. This theoretical models indicates some pathways and
can help us to choose a better future.
