Writer Stewart Brand says warnings that the world is facing a new mass extinction may lead to a fatalistic attitude that will do more harm than good . Instead he points to the recovery of species due to conservation efforts . He believes climate change is unlikely to have the feared impact on wildlife . The world's population has grown by about two billion people since 1950, and it's expected to grow another 2 - 3 billion in coming decades.
Writer Stewart Brand says warnings that the world is facing a new mass extinction may lead to a fatalistic attitude that will do more harm than good . Instead he points to the recovery of species due to conservation efforts . He believes climate change is unlikely to have the feared impact on wildlife . He argues that more new species are being discovered than are being lost .