Ever wondered how the climate change we are experiencing compares to the past? How do scientists know what we are experiencing is different than past changes? Join Lincoln Land Community College Geology Professor Samantha Rief as she explores how the climate changed naturally in the past millions of years, what our current understanding of this change is, and how the current change is different. Advanced registration is required and Certified Professional Development Units (CPDU) hours for Illinois Educators will be offered for this program.