Of course, this has always been 10-50 years away since the last 50 years But let’s hope it will be realized someday.
Imho currently our second best shot right after massive global geothermal and nuclear investments. Regardless, without degrowth we are toast with exponential growth paradigm still in place. Lots of people attacked it lately and nothing really happened. Some researches have even come up with answers why: Economics for the future – Beyond the superorganism - ScienceDirect