For anyone past the denial stage of climate grief, the knee-jerk reaction to news about the increasingly obvious signs of how close the world is to catastrophic climate tipping points is to throw up a few gazillion solar panels.
But shading 21,250 square miles of the Arizona desert is dumb, no matter what Elon Musk might say. The tragedy of it is that Musk is a visionary thinker proposing a solution stuck in an Industrial Revolution paradigm of centralizing production and building out expensive distribution infrastructure.