Really, mankind, if you had to have an Existential Crisis, you should have done it before the industrial revolution. We can't stop now we're on the highway (to hell). http://cser.org/index.html [1]

And btw, please fund our research centre before the end of the anthropocene. Our university only has 200 years to go before it's millenium and we'd like the institution to still be around to see out it's first 1000 years. 

[1] Centre for the Study of Existential Risk: "Bertrand Russell Professor of Philosophy, Cambridge", "Emeritus Professor of Cosmology & Astrophysics, Cambridge", and "Co-founder of Skype" TOGETHER AT LAST!