Starting Tuesday, July 9, residents will need to place their carts at the curb by 6:30 a.m. -- 30 minutes earlier than usual.
The change is being made to help employees avoid getting heat-related injuries.
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Experts said heat is the leading cause of weather-related deaths in the United States.
In 2018, there were 108 heat-related deaths -- 98 more than casualties caused by tornadoes, which are the third-highest weather killer in the U.S.
The time change will remain in effect until September 3.
More information can be found on the city's website.