Environmental Engineering Reference
In-Depth Information
as the dominant subspecies happened during the last ice
age. But now there are
billion of us and during this
century we will grow to
billion. The small human
population of the last ice age could move around and go
to where climatic conditions were tolerable. Moving over
.
billion people is not going to be feasible. It is not our
existence that is threatened by global warming, it is our
civilization.
