Is it safe to swim in local waterways?  How is the air quality in my neighborhood? Does trash in a landfill biodegrade? Why are there so many mosquitos in my yard?  If you’re curious about environmental and public health issues that impact you, your family and your community, then we’ve got the answers to your questions.  Welcome to the Environmental What If podcast. Every month, the Denver Department of Public Health and Environment will interview local experts to identify the challenges and find the solutions that empower Denver communities to live better, longer.