New UN Report Predicts Climate Crisis by 2040. Now What? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email In this Tuesday, July 10, 2018 file photo, a woman and a boy walk on the dried up riverbed of the Zayandeh Roud river that no longer runs under the 400-year-old Si-o-seh Pol bridge in Isfahan, Iran ( AP Photo/File ) Produced by Alexandra Botti Produced by PRI and WNYC