[government letterhead]     To: Laurence Tubiana  Convener, 2050 Pathways Platform  CEO, European Climate Foundation  40 Rue de Trévise  75009 Paris  France     Dear Ms. Tubiana,    We hereby would like to express the intention of [name of country] to join the 2050 Pathways Platform. Along with other members of the Platform, we believe it is essential for governments to elaborate long-term low...