It’s tempting to conclude that the days when competition over finite supplies of energy was a recurring source of conflict will soon draw to a close. Unfortunately, think again: while the sun and wind are indeed infinitely renewable, the materials needed to convert those resources into electricity—minerals like cobalt, copper, lithium, nickel, and the rare-earth elements, or REEs—are anything but.

Chinese and American leaders are now playing a game of chicken that couldn’t be more dangerous for both countries and the planet. Isn’t it time for the new Biden administration and its Chinese opposite to grasp more clearly and deeply that their hostile behaviors and decisions could have unforeseeable and catastrophic consequences?