I found this piece to be depressingly pessimistic and downright whiny. Many people have argued that humanity has become excessively risk-averse and in-ward looking. "It's hard" is no longer a challenge to be overcome, but a reason to sit back and kick the can down the road.
It's not about something not being possible. It's about something not being "commercially profitable". We could abandon all the coal and oil in a decade or two and move completely onto renewable energy sources, it is possibe - it's just nobody gives a damn about it, because it would have a dent in quality of life, especially in western countries.
It's our selfishness and greed holding us back, rather than laws of physics.
nuclear power. In Germany just lately there was another (though as always shortlived) surge of news about how politicians played their games with nuclear waste. Our final storage of nuclear waste is a joke from the past by corrupt politicians.
When you can't trust people to think about the (instead of their) future it's hard not to fear nuclear energy.
