Scientific proofs
Well, even if we omit any scientific proof it is pure logic that fossil energy including nuclear isn't endless and has to become more expensive. Also it is logical that today's larger companies need to focus on short or at most mid term profit, isn't it. Does anybody think that the big oil companies strategically care for the future of the next generation? Those who do get beaten by their competitors.
That is the task of a government - to control the bigger forces of the economy and preserve the chances of a good life for future generations. If they are left without control the system would indeed regulate itself, but not through reason but through severe social conflicts and other catastrophes.
Well, even if the world wide science society agrees on something there are forces that say there is a contrary scientific proof that some people will immediately belief in just if it is in favor for 'their demagogues'. It would indeed be great if scientific proof and even more important a transparency of the interconnections (www.imodeler.net) would make this world a better place but it is in our very nature that we follow the words of demagogues.
Every country has at least two parties and two opinions on several topics but few countries have one party where almost all the rest of the world (media, people I meet on international, e.g. banking, conferences - even if they call themselves conservative) is wondering how stupid arguments can be and how stupid almost half of the country's population seems to be. In my latest book I gave an explanation how this could be possible ...