coal, oil, and other energy sources that formed over millions of years from the remains of ancient plants and animals. Fossil fuel use is a major factor in greenhouse gas emissions, which contribute to climate change.
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.
