Waste, a majority of it plastics, from Slovenia and Italy has made its way to Croatia, polluting this area. At left, Kyle Walsh records his observations of the site. Walsh, an alumnus of Penn State Scranton and a former student of Dr. Renee Bishop-Pierce, spent three weeks doing research with the Penn State and University of Split team this summer. Credit: Renee Bishop-Pierce Expand A close-up shot of a coastline area in Croatia shows just how much plastic waste has washed ashore. Credit: Renee Bishop-Pierce Expand Fortunately, not all waterways have fallen prey to pollution from humans. This waterfall in the Krka National Park is very clean water that is feeding into the coastal habitat. Credit: Renee Bishop-Pierce Expand An example of the marine life that can be found in the waters near the coastline of Split, Croatia. Credit: Renee Bishop-Pierce Expand This coral reef, also found in the waters near the coastline of Split, Croatia highlights the variety and beauty of marine life that can be found in these areas. Credit: Penn State Expand A shot from an underwater cave in the waters of Croatia. Credit: Penn State Expand Not all plastic waste that makes it way to the shoreline are large pieces; here, one can see the large amount of smaller, broken down pieces and particles of plastic that now pollute some of the coastal areas where Bishop-Pierce was doing her research. Credit: Penn State Expand