Circularity is no longer optional; it’s the blueprint for businesses that intend to thrive in the decades ahead.

At his store in Tokyo's ritzy Ginza district, Hajime Sasaki displays a disparate array of wares, from chopsticks to Buddha statues -- including many made of ivory.

Corruption, extremism, authoritarianism, narcissism: it’s all there now, right at the top of the world’s most powerful ...