title: Menace commune

> If killing large numbers of civilians does not have a military impact, then what, Wilson asks, is the purpose of keeping nuclear weapons? We know they are dangerous. If they turn out not to be strategically effective, then nuclear weapons are not trump cards, but time bombs beneath our feet.
> 
> <cite>*[Why did Japan surrender?](http://www.boston.com/bostonglobe/ideas/articles/2011/08/07/why_did_japan_surrender/?page=full)* ([cache](/david/cache/a6c5c1521ab7f92fef8e03597a1f3915/))</cite>

Les faits, aussi récents qu’anciens, nous montrent qu’il faut une menace commune pour que les peuples se soudent et œuvrent ensemble. Or nous en avons deux : le nucléaire et le changement climatique. *Quelles chances pour l'Humanité !* L’Homme est semble-t-il aussi la première espèce terrestre qui peut sciemment décider de sa survie…

> One answer to the Fermi paradox is that nobody makes it through — that climate change is fate, that nothing we do today matters because civilization inevitably leads to catastrophic planetary changes.
> 
> <cite>*[Is a Climate Disaster Inevitable?](http://www.nytimes.com/2015/01/18/opinion/sunday/is-a-climate-disaster-inevitable.html)* ([cache](/david/cache/b44403d7da1a9832b885655f0735d6c2/))</cite>
