I had no idea that talking about the single most pressing and confirmed issue in science in the recent decades would open a can of worms.
I personally believe humans are radically altering the Earth's ecosphere and may well render this planet uninhabitable in a century or two, whether global warming is true or not.
Check this out:
http://www.dailymail.co.uk/news/article-2540955/Beijing-clouded-smog-way-sunrise-watch-giant-commercial-screens-Tiananmen-Square.htmlThis is what happens when you pass a Clean Air Act in America and then buy your plastic trinkets from a country like China that has no such regulations. I am easily convinced that things like massive Chinese coal consumption is causing global warming.
However, putting a cryptocoin in the middle of the political debate over global warming is stupid, unnecessary and almost certainly counterproductive.
Energy efficiency over Bitcoin is a valid point. Saying switching to NXT is going to Save The World is a stretch. We should not go there.