Listen Current focuses on getting students to listen. On this site you can find lots of radio pieces on a wide range of topics. You'll need to sign up but the resources are free.
This is what they say:
Teach your students to Listen with the Power of Public Radio. Listen Current makes it easy to bring authentic voices and compelling non-fiction stories to the classroom. We curate the best of public radio to keep teaching connected to the real world and build student listening skills at the same time.
This page includes a 'summer listening list' which includes a range of stories on different subjects:
This page links to lessons on a wide range of topics (e.g. anti-semitism, fracking, the Great Depression, artificial photosynthesis) all of which are accompanied by further resources and a code for an Edmodo quiz: http://listencurrent.com/lessons. Some might link to topics you are studying while others might enhance your lessons and be a form of wider 'reading.'