Australian mathematicians say some endangered species "not worth saving"

Some endangered species on the brink of extinction might not be worth saving, according to a new algorithm developed by researchers at the University of Adelaide and James Cook University, both in Australia. Dubbed the SAFE (species’ ability to forestall extinction) index, the formula takes current and minimum viable population sizes into account to determine if it is too costly to save a species from extinction

Go here to read the rest:
Australian mathematicians say some endangered species "not worth saving"