Unironically the anti nuclear luddites killed the main chance to be divert climate change that we had over unfounded fearmongering
Many of the "luddite" groups were funded, and in some cases entirely formed, by fossil fuel interests.
Successful massive nuclear and renewable deployment at world scale, would it have happened, would have only solved one third of the problem. Agriculture, construction and all carbon-emitting industry processses (steel production) require their own solution too.
I think it is extremely simplistic to blame the nuclear transition's failed potential solely on them.
1. The fact that nuclear power has been quite safe so far does not mean that it would have been just as safe if its deployment would have rapidly spread.
2. Nuclear energy is unfortunately tightly coupled with nuclear weapons, as well as the treaties and geopolitics that were designed to keep them only in the hands of the few. Quite many late 1900s crises in Europe could have looked different if nuclear material was even more widespread than it was. I don't even wanna think about nations outside Europe that have been extremely unstable in the past and in recent history.
3. Seeing how intensely fossil fuel companies spread misinformation and disinformation about green technology and climate science, it's hardly a far-fetched idea that that same industry had a hand in helping policymakers steer away from an energy source that would unseat it from the throne.
No. You can shit all you want over the antinuclear boys but:
* Building nuclear plants is a 5-10 year plan. More if you haven't built them in a while.
* The first economy in the world has quite literally started wars over oil because it wants to keep using it.
* The countries that would be the biggest emitters right now are also the ones doing the most in electrification.
Building more nuclear wouldn't have changed shit: there is an ongoing work to maintain the world dependent on fossil fuels. We can't even get electric cars to properly pick up.
I don't buy it.
Climate change is related to our consumptions, period, focusing only on energy or transport doesn't tackle the whole problem: we consume too much, eat too much (cattle and fish in particular) and destroy too much in our quest for more and more.
Inefficient transport or energy is just one aspect of the whole problem.
But I'm tired of hearing how it is just a matter of energy or transport, it's literally missing the forest for a tree, even if it might be a particularly big one.
Antinuclear have and always had zero power to stop nuclear plants. Except for Germany, if nuclear stopped growing was because of its economics. The same economics that stopped solar photovoltaics until it made sense.
Even France, that is heavily pro-nuclear, can't find the economics to build new nuclear energy at decent pace.
Also, nuclear was not replaced by more carbon, except again a for a couple of years in a small country (by global standards) called Germany. Everyone else is planting more clean energy.
What we did: growing China and all Asia at high rates based on coal, for decades. Offsetting by a lot internal combustion engine efficiency by buying bigger and more cars. Buying stupid and useless stuff on the other side of the planet. Everyone first hobby today is "travelling the world", preferably by plane. Being 10 billion people, and richer (more capita and more consumption per capita). None of those thing would be solvable with more nuclear plants.