Understanding Nature Based Solutions (NBS) on Buildings to Mitigate Urban Heat Islanding (UHI)FPJandaghian, Zahra;Hayes, Alexander;Gaur, Abhishek;Lu, Henry;Laouadi, Abdelaziz;Lacasse, MichaelZahra JandaghianComparison of Outdoor Thermal Environment Optimization Strategies in Different Residential Districts of Xi'an, China in Summer