a change in global or regional climate patterns. In particular, the term refers to a change apparent from the mid-20th century onward and attributed largely to the increased levels of atmospheric CO2 from the burning of fossil fuels.
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.
