Los Angeles looks for ways to solve water dilemma

LA gets its water from the San Joaquin river delta, the Sierra Nevada mountains and the Hoover Dam, but all three sources are in decline.

Cities around the world are struggling with the effects of climate change.

One of the biggest challenges is ensuring clean drinking water now and in the future.

As part of Al Jazeera’s “thirst” series, Rob Reynolds reports from Los Angeles on the looming problems for millions of Californians.