A call for a host of taxes on the U.S. and European nations designed to transfer wealth to economies confronting “the cost of drought, floods and superstorms made worse by rising temperatures” was renewed Wednesday at a U.N. climate conference in Germany. If heeded, the so-called “loss and damage” demand will see prosperous, successful countries on the hook for billions of dollars for decades or even centuries to come. The BBC reports poorer countries claim a promise they would be compensated for the damage done by richer countries’ emissions would be honoured this year. They now doubt new money to...