DADU, Pakistan (AP) — Every part of Rajul Noor’s life has been wrecked by this summer’s massive monsoon-driven floods. The 12-year-old girl’s family home is destroyed, as is the school that she loved. The friends she used to walk to school and play with are scattered, finding refuge elsewhere. The destruction has intensified the debate over a question of climate justice: Whether rich countries whose emissions have been the main driver of climate change owe compensation for the damage that change is inflicting on poor countries like Pakistan. It’s an idea that developed nations have repeatedly rejected, but Pakistan and...