Increasing mitigation ambition to meet the Paris Agreement’s temperature goal avoids substantial heat-related mortality in U.S. cities - Lo, Y; Mitchell, D; Gasparrini, A; Vicedo-Cabrera, A; Ebi, K; Frumhoff, P; Millar, R; Roberts, W; Sera, F; Sparrow, S; Uhe, P; Williams, G (Science Advances, 2019)