President Biden’s $2 trillion infrastructure plan represents an enormous effort to protect Americans from climate change, but it sidesteps one of the most immediate and wrenching dilemmas: Deciding not just where to spend more money on roads, bridges or sea walls, but where to stop spending — and instead, help people get out of the way. The need to make difficult decisions like these reflects the growing consensus among experts that not every community in the United States can be protected in the long run. Some areas — particularly in some coastal zones, but also inland along rivers and other areas where flooding is worsening with climate change — can’t successfully be defended no matter how much money the government might be willing to throw into fortifications, drainage upgrades or other improvements. Deciding which areas should be abandoned, and when, is one of the most urgent and […]