Weileman hiked into the blast zone of Mount St. Helens to sample Spirit Lake and also took a water sample downstream at Iron Creek. Those samples are currently being analyzed for the presence of microplastic particles. They will add to the thousands of samples already collected by Adventure Scientists globally and provide more data to illuminate the scope of microplastic pollution in marine and freshwater environments.
Citizen Science: Net Positive Impact
Above: The author climbing in Yosemite Valley.As a climber, I have always been proud to be part of a culture that...



