This report provides an overview of California's Global Warming Solutions Act of 2006, which aims to reduce greenhouse gas emissions in the state. The report discusses the main policy and regulatory options for achieving this goal, including cap-and-trade systems, renewable energy standards, and energy efficiency standards. The report also examines the potential employment impacts of AB 32, the state's greenhouse gas emissions reduction law, and the role of organized labor in responding to climate change legislation. The authors acknowledge the assistance of various individuals and organizations in the preparation of the report.