Biodiversity

Biodiversity stands as the result of 3.5 billion years of evolution. 

While records of life in the sea show a logistic pattern of growth, life on land (insects, plants and tetrapods) show an exponential rise in diversity. New species are regularly discovered and many, thought discovered, are not yet classified.

Nevertheless according to a report from "Environment New Service",  dated back from 1999, scientists  predicted that the extinction rate caused by human influence was approaching 1,000 times the average rate and could climb to an alarming number of 10,000 times in a near future.

Are we near to those numbers? 

Is it wise to talk about giving life to extinct species when we are not being able to stop those which are nowadays classified as endangered?