Flooding from torrential rains recently led Vermonters to kayak through the streets of the state capital. A month later, Hawaiians were forced to flee to the ocean to avoid devastating blazes. All the while, toxic smoke from wildfires has imperiled the health of Americans across huge swaths of the country. All these alarming environmental developments hurt economic activity. Yet many political leaders seem preoccupied with banning investors from considering the impacts of the fast-changing environment on business.