POLLUTANT

any introduced gas, liquid, or solid that makes a resource less useful or unfit for a specific purpose.

pltintern

pltintern

Christine Song supports both Project Learning Tree (PLT) US and Canada's program delivery and reporting, program research, and communications. Christine holds a Master of Environmental Science from the University of Toronto and and a combined degree with a Bachelor of Science in ecology and zoology and a Bachelor of Science in anthropology from the University of Calgary.