Tracking Change - Youth Knowledge Fair winner to attend UN Convention on Climate Change FORT SMITH, NT – Paul W. Kaeser High School student Ryan Schaefer will be off to Poland this December after his research poster on the health of the Slave River was voted the crowd favourite at the Tracking Change - Youth Knowledge Fair 2018 in Edmonton over May 16-18, 2018 at the University of Alberta. Schaefer conducted a qualitative study on how climate change has impacted the Slave Riv