In the battleground states of Florida, Michigan and Pennsylvania, we ask if the environment, climate change and fracking are making a difference to voters.
Researchers found elevated levels of radioactivity on air particles measured downwind of fracking sites around the country. They say health effects are possible, though not imminent.
In the lead-up to the general election, four western Pennsylvania voters talk about what could sway their votes when it comes to energy and the environment.
The report outlines health problems of people living near fracking wells. The Environmental Health Project says it's about time public health takes center stage.
