Adaptation’s thirst: accelerating the convergence of water and climate action. Background paper prepared for the 2019 report of the Global Commission on Adaptation - Smith, Mark; Matthews, J.H.; Bharati, Luna; Borgomeo, Edoardo; McCartney, Matthew P.; Mauroner, A.; Nicol, Alan; Rodríguez, D.; Sadoff, Claudia W.; Suhardiman, Diana; Timboe, I.; Amarnath, Giriraj; et al. (2019)