Synopsis As Introduced Creates the Illinois Climate Change Act. Provides that the Governor, subject to the advice and consent of the Senate, shall appoint to the Environmental Protection Agency a Deputy Director for Climate Change to supervise Agency programs designed to reduce the greenhouse gas emissions level in this State. Provides that the Agency shall conduct an inventory of greenhouse gas emissions in the State. Provides that the Agency shall report its findings to the Governor and the General Assembly and that, by July 1, 2008, the Agency shall present to the Governor and General Assembly a plan to significantly reduce the greenhouse gas emissions level in the State by the year 2020. Requires the Agency to consult with other states and the federal government about the most effective strategies and methods to reduce greenhouse gases. Effective immediately.