This report represents a full decade of Clean Edge data and trends analysis. This special anniversary edition looks at the past 10 years of clean-energy activity in the U.S. and abroad. The report also outlines five key trends that will impact clean-energy markets in the coming years: Incandescent Phase-Out Lights the Way for Low-Cost LEDs; Natural Gas Advances as a Powerful Partner for Wind and Solar Energy; leaner Aviation Fuels are Poised for Takeoff; Low-Cost Green Building Brings Relief – and Sustainability – Around the World; and Innovation Provides Alternatives to Rare Earths.