The challenges of building an Earth-bound sun...

"I really don't know if ITER would succeed." Chris Lee, author for the online magazine Ars Technica, is undecided, but ... "Nevertheless, energy demand has grown consistently at around three to five percent per year in almost every developed nation on Earth for as long as we have records. Even removing environmental considerations, it is unlikely that this demand simply can be met by current mature technologies. Given this, it is probably worth finding out if fusion research is worth it."