Coming up on this week's edition of The Spark Weekly.

A study for the advocacy group PennEnvironment found microplastics present in waterways throughout Pennsylvania, making it a major concern in the fight against pollution.

Also, on the program.

The Pennsylvania Innocence Project is a non-profit organization working to exonerate those convicted of crimes they did not commit, prevent innocent people from being prosecuted and convicted, and to help those wrongfully convicted transition to freedom.

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