President Donald Trump is filling the upper ranks of his administration with appointees who share his disbelief in the scientific evidence for climate change — giving them an opportunity to impose their views on policies ranging from disaster planning to national security to housing standards.

At the Interior Department, decisions about Pacific island territories threatened by rising seas are in the hands of an assistant secretary who has criticized “climate alarmists” for “once again predicting the end of the world as we know it.” Agriculture Secretary Sonny Perdue’s top advisers include a former talk radio host…