Examiner: Using research tools developed for another NASA activity, some researchers have published a report on the current civilization's doom. It asserts that estimated carrying capacity is a practical early way of detecting collapse.
The study assesses the risk for collapse from five factors, population, climate, water, agriculture and energy. Whenever these have merged into two main criteria in the past 5,000 years, society has collapsed. The two are "the stretching of resources due to the strain placed...