Global Trends in Renewable Energy Investment 2011
http://www.unep.org/pdf/BNEF_global_trends_in_renewable_energy_investment_2011_report.pdf
Subtitled: Analysis of trends and issues in the financing of renewable energy. Reports that global investment in renewable energy jumped by 32% in 2010 to a record $211 billion. Details investment by developed versus developing countries and by type of renewable energy. From the United Nations Environment Programme