Original: Global Trends in Sustainable Energy Investment 2007 : Analysis of Trends and Issues in the Financing of Renewable Energy and Energy Efficiency in OECD and Developing Countries ( PDF ) p. 3 .
Simplified: Global Trends in Sustainable Energy Investment 2007 : Analysis of Trends and Issues in the Financing of Renewable Energy and Energy Efficiency in OECD and Developing Countries p. 3 .