Pretty much. If a major volcano goes off up and darkens the sky with clouds and high winds make wind farms unsafe to operate, then nuclear is probably our only reliable power source left. It's not like there weren't multiple ice ages and warming events in the history of our planet.

There is a reason sailboats were obsoleted by the steam engine: it could tug forward in windless waters and stll make it fast enough to deliver the mail.

For energy we obviously need all the options available.