It could be argued that our limited resources should go into preventing existing species from going extinct (and saving their ecosystems) rather than bringing b

It could be argued that our limited resources should go into preventing existing species from going extinct (and saving their ecosystems) rather than bringing back ones that are gone. And given the crisis situation we're in it's not an academic question: http://www.washingtonpost.com/news/morning-mix/wp/2015/06/22/the-earth-is-on-the-brink-of-a-sixth-mass-extinction-scientists-say-and-its-humans-fault/ http://www.washingtonpost.com/news/morning-mix/wp/2015/06/22...