He wants to send us all to the showers. King Carl XVI Gustaf says we should consider banning bathtubs to save the planet. The idea came to him when he stayed somewhere that didn’t have a shower, forcing him to bathe. He says giving up baths — because they use more water than short showers — would make people consider their water and energy use. Having reduced his meat intake and switched to a hybrid car, Sweden’s king is clearly looking to make a splash at next week’s Paris climate talks.