Stats

• World Military Spending - $1.7T
• USA Military Spending - $640B - $2k per capita spending
• $40B organics market - http://www.ers.usda.gov/topics/natural-resources-environment/organic-agriculture/organic-market-overview.aspx. That makes it
• Annual sustainable forest yield of 12.5B cubic meters or 105 exajoules - [1], p. 615

• Annual energy use by USA - 94 exajoules

• US energy consumption by sector - 40% electricity, 30% transportation - [2]
• 250GW of PV is installable on existing rooftops - Cosservative estimate (50% of residential rooftops) - [3]