A False Sense of Security
Lester R. Brown
Although human activities have always
altered the natural environment, the
scale of disruptions in the late twentieth
century is unprecedented. The collective
actions of a world population approach-
ing five billion now appear capable of
causing continental and even global
changes in natural systems. As human
pressures build, the relationship be-
tween people and their natural support
systems can cross key thresholds, lead-
ing to a breakdown.
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