The United Nations Intergovernmental Panel on Climate Change released the first installment of its Sixth Assessment - the world's most comprehensive scientific study to date of climate change, its impacts and options to protect our planet. Paul N. Edwards, the William J. Perry Fellow in International Security and Senior Research Scholar at CISAC, served as a lead author. The report was four years in the making with work from more than 900 scientists and 195 governments. While previous reports focused on global to continental scales, this one presents a more detailed projections for smaller regions.