A reduction in rainfall amount or variability, or an increase in evaporation (due to higher temperatures) would further strain the already limited amount of water resources.
(A reduction in rainfall amount or variability, or an increase in evaporation (due to higher temperatures; would strain; the already limited amount of water resources)
A reduction in rainfall amount or variability, or an increase in evaporation (due to higher temperatures
would strain
the already limited amount of water resources